(5.4) By using our site, you acknowledge that you have read and understand our Privacy Policy Terrifying ordeal from the neighbor who witnessed fatal alligator encounter, Wildlife officials investigate woman's death at golf community, In Florida, what's more dangerous than paddling with gators? a.They are an important food source for primary consumers The female opens the nest in response to calls from the hatchlings when the eggs are ready to hatch. Thank you for taking time to provide your feedback to the editors. c.Marsh grasses and other producers are more likely to mutate and form new species "With how many people there are and how many alligators there are, it's really surprising it doesn't happen more often,"Frank Mazzotti, professor of wildlife ecology and member of the "Croc Docs" at the University of Florida, told USA TODAY. Alligators now number perhaps 3 million, most in Florida and Louisiana. Use this form if you have come across a typo, inaccuracy or would like to send an edit request for the content on this page. Total income from llama can be calculated as, A: The externality refers to a situation when the action of one person affects the other person also,, A: Efficiency is achieved at the output level where MSB equals MSC, A: In equilibrium, Demand = Supply, so Getting away:Florida man survives in swamp for three days after losing arm to alligator. Medical research advances and health news, The latest engineering, electronics and technology advances, The most comprehensive sci-tech news coverage on the web. They keep disease out of the soil. I II III IV top consumer The three scenarios presented within the case are : However, if they sense something splashing in the water, they are likely to bite first and ask questions later. a.The fish eat infected insects Please select the most appropriate category to facilitate processing of your request. 2,000 Water vapor contained in a pistoncylinder assembly undergoes an isothermal expansion at 240C240^{\circ} \mathrm{C}240C from a pressure of 7 bar to a pressure of 3 bar. Which of the following best explains this decrease in the carrying capacity for marine mammals? That just keeps you from getting farther away. a. Webproducer/autotroph. Dentition includes blunt teeth adapted well to crushing shelled animals. 109 In 2021, there were seven major and three minor alligator bites. %PDF-1.5 % 10,000 A) The element is more readily oxidized than hydrogen. WebEven with the removal of the invasive species these damaged ecological processes can remain and will challenge successful restoration efforts. Sources Animal Diversity Web, University of Michigan Museum of Zoology National Geographic National Park Service Comment. Number of llamas on the commons. 123 0 obj <>/Filter/FlateDecode/ID[<93E991B1199D6F4E9357DDCAA54428F6><343B39741742DF4D8DDE3981286D7CE2>]/Index[106 39]/Info 105 0 R/Length 92/Prev 132464/Root 107 0 R/Size 145/Type/XRef/W[1 3 1]>>stream Alligators are efficient predators. 33034-6733, Download the official NPS app before your next visit. (5.4) a. Squirrel b. Beetle c. snake 6,000 or, by Evelyn Perez, Florida International University. price = $13 Washington, DC 20008. Plants b. Rabbits c. raccoons Who makes the plaid blue coat Jesse stone wears in Sea Change? d.With fewer large fish, more small fish are available to marine mammals, In this arctic ecosystem, fur hunting can drastically decrease the population of marine mammals. Mating occurs in early summer, with the females building nests about two to three weeks later and laying up to four-dozen eggs; fewer than two-dozen is common. d. Marginal external costs are zero. The larger opossum population will leave fewer energy storage molecules for all other populations in the ecosystem, so the fox population will reproduce less. About 100 Chinese alligators are managed under the Species Survival Program in North American institutions. What are the chances of being bitten? 2 Copy. d. 150,000, According to the data given in the Pyramid of numbers, how many grass seeds must be produced to support 100 mice in this ecosystem? Young vocalize to bring the group together and maintain its cohesion, while adults respond to juvenile distress calls. And how much electricity is produced after the permits are traded? (5.4) What would be the total cost of reducing pollution, if the firms are allowed to trade permits between each other? 10 b. FL Female alligators choose nest sites above the water level to reduce the chance of flooding, which would kill most eggs within 12 hours of submergence. Consumers Some may weigh up to 85 pounds (38.5 kilograms); however, most weigh less than 50 pounds (23 kilograms). The content is provided for information purposes only. 'Terrifying ordeal from the neighbor who witnessed fatal alligator encounter, 'Alligator bite incident':Wildlife officials investigate woman's death at golf community. (5.4) What would happen to the transfer of energy and the recycling of nutrients if the decomposers were removed from this cycle? d.A decrease in all species, an increase in the population of primary consumers, Which of the following would best explain a decrease in the number of producers represented by this food web? Females remain near the nest during the incubation period, which averages 58 to 63 days. Read more articles by Chris hereand follow him on Twitter at@cabridges. William J. Baumol, Alan S. Blinder, John L. Solow. See answer (1) Best Answer. Multiple Choice Over consumption, which could lead to less profit. 0 0 When danger threatens, she will rapidly return to the nest to protect her eggs. By digging holes and leaving trails throughout marshes, they create habitats for fish and marine invertebrates. 2.00 For general inquiries, please use our contact form. b.The snakes are increasing with fewer predators feeding on them Producers Hatchlings grow rapidly, especially during their first four years, sometimes averaging more than 1 foot of growth for each year of life. Evaluate the work, in kJ/kg. c. consumers d. Scavengers, Which type of organisms makes use of the lowest energy level? (5.4) e. Aquatic vegetation f. Water snakes, A fungal infection can kill amphibians such as frogs. Although these animals become easy prey for alligators and other predators such as wading birds, the value of the refuge outweighs the risk. Populations have since improved considerably, and alligators were removed from the list of endangered species in 1987 and are continuing to thrive in Florida today. (5.4) The eyelids of the Chinese alligator have a bony plate that is missing in the American alligator. D) The element is more readily reduced than most other elements. Hatchlings generally emerge in September. It is native to slow-moving freshwater areas of the lower Yangtze River in China where it eats snails, crustaceans, insects, fish, young waterfowl and rodents. b.They are producers They can tolerate a reasonable degree of salinity for short periods of time and are occasionally found in brackish water around mangrove swamps even though they lack the salt-secreting glands present in crocodiles. In the pond community, the frog population is drastically reduced by this infection. c. decomposers d. carnivores, Use the generic food chain to answer the question. Members are our strongest champions of animal conservation and wildlife research. As the dry season approaches and water dries up from other areas within the Everglades, the retained water causes alligator holes to become a refuge for a variety of wildlife. The females respond swiftly to calls from hatchlings facing impending danger. The firms differ, however, in their pollution. Considering this security feature, the market equilibrium is, A: External Cost :- If ice coverage decreases as predicted, what will likely happen to arctic polar bears? The more we develop, the more likely we are to see this type of conflict.". As a result, the marine mammal population also decreases. In 2016, a toddler was killed by an alligator at Walt Disney World. Number of llamas on the commons (5.4) Rising prices for a natural resource stimulatea. a. A. As summer begins, they switch to more nocturnal feeding habits to avoid the heat and humans while they begin their annual mating rituals. Florida International University. Producers b. 119 Plant b. Herbivore Small animals would outbreed the food supply. Even outside their dens they can tolerate limited periods of freezing conditions. a.An increase in all species a. Choose the INCORRECT statement regarding the general features of the vertebral column. Over consumption, which could lead to extinction. Unlike nutrients, energy is not recycled and reused in an ecosystem Females provide parental care, including assisting the hatching process and carrying the newly hatched young from the nests, which are located on land, to the water. Which 2 of the following statements are true concerning energy flow in an ecosystem? a.They will migrate further north to find food Click here to sign in with None of the things that live there would live anymore. Wiki User. When the fox dies, bacteria break down its body, returning it to the soil where it provides nutrients for plants like grass. The snout of an alligator is characteristically broad, although the shape can vary slightly among populations and individuals. 125 C. tertiary succession. Each villager can use this money either to buy a government bond that pays 14 percent interest per year or to buy a year-old llama, send it onto the commons to graze, and sell it after 1 year. (5.4) An organism that eats a secondary consumer. (5.4) Alligators tend to be shy, but they are still predators. Your email address is used only to let the recipient know who sent the email. WebThey make the soil clean. what would happen if the decomposers were removed from the d. Foxes, a. an ecosystem that has 1000 squirrels must produce at least 800,000 acorns Since there are multiple questions we will answer only the first three questions. Which organisms most directly provide inorganic nutrients for the producers to use? a. sd2 domestic supply curve 113 Demands for. Breeding birds use alligators to protect nests from raccoons, opossums, New measurements suggest rethinking the shape of the Milky Way galaxy, Astronomers discover two super-Earths orbiting nearby star, Developing multiple concentration gradients for single celllevel drug screening, Solving the mystery of protein surface interactions with geometric fingerprints, Second ring found around dwarf planet Quaoar, Science X Daily and the Weekly Email Newsletter are free features that allow you to receive your favorite sci-tech news updates in your email inbox. Wildlife-human conflict happens all over the world. Firm B currently dumps 192 tons of chemicals into the local river. b.An increase in salmon birthrate and survival B) The element is more readily reduced than hydrogen. Firms do not make profits of any kind a. Grass b. Insects c. rats The alligator is an indicator of ecosystem responses to Everglades restoration because it is sensitive to hydrology, salinity, and system productivity, all factors that are expected to change as a result of restoration. (5.4) In addition to killing mosquitos, the pesticide kills soil-dwelling small crustaceans, such as fiddler crabs, krill, and shrimp. d. Aquatic vegetation e. Insects (5.4) ", Alligator myths debunked:Running zigzag won't help you and gators can climb, "If an alligator bites you, the best thing to do is fight back," the FWC says, "providing as much noise and resistance as possible. Fish b. Spiders c. frogs Multiple Choice a. What are the qualities of an accurate map? The FWCs Statewide Nuisance Alligator Program (SNAP) uses contracted nuisance alligator trappers throughout the state to remove alligators 4 feet in length or greater that are believed to pose a threat. Alligators are an important part of the Everglades ecosystem and are considered a keystone species of the park. Quantity demanded (per month) d. Bears, As a general rule of thumb, about how much energy contained in the plants is available to the raccoons? Start your trial now! When alligators seize prey they cannot easily overpower, they will often let go and retreat.". and Terms of Use. The nesting activity of female alligators is important for the creation of peat. (5.4) P 0.50 d. Decomposers, Which is "lost" to the environment as heat making it unavailable for recycling? This keystone species bears considerable importance in the health and function of south Florida's ecology. C) The element is more readily oxidized than most other elements. It's smaller, the head is more robust and its snout is slightly upturned. What might happen to alligators in the south if the U.S. Density-independent factor. A cubic foot of carbon monoxide pollutes the environment, and has a social cost of $2.5. What will most likely happen to the florida manatee if pollution kills sea grasses and aquatic vegetation? (5.4) Which statement best describes a result of a change in the salmon population? d. Water snakes, terrestrial grasses and aquatic vegetation, Which organisms in the food web have the greatest amount of energy? American Alligator Nesting and Reproductive Success in Everglades National Park a. Alligator activity also picks up in the spring and summertime, when they typically breed and look for new habitats. The largest Chinese alligator measured in recent times was 7 feet and 1inch--about half the size of the largest living American alligators. What's New at the Smithsonians National Zoo This Summer? If each villager decides individually how to invest, how many llamas will be sent onto the commons, and what will be the resulting village income?Number of llamas:Instructions:Enter your response as a whole number.Village income: $. Females reach sexual maturity at approximately 6 feet in length. 5 Growing up to nearly 15 feet in length, the American alligator can take up residence in Florida's canals, lakes, rivers and swamps. Hall, William C. Rose. What role do coenzymes play in metabolism? ecosystems. d.An increase in grizzly bear birthrate and survival, by killing the competitors of the other species, How could a predator increase the carrying capacity of another species in its habitat? According to retired trapper Gator Bill Robb in 2018, "Raise your hands, look as big as possible, back up, and once youve made yourself look large, if the alligator doesnt retreat, get out as fast as you can in a straight line. The sun A. WebBurmese pythons and American alligators will not battle over the course of millions of years for the same reason this highly imbalanced ecosystem arose in the first place: human intervention. 1.50 A village has six residents, each of whom has accumulated savings of $100. Maximum length for females is approximately 10 feet. a.Increased terrestrial grass growth 111 At the Smithsonian's National Zoo, Chinese alligators are fed small rats, mice and fish. The adult diet typically consists of fish, turtles, small mammals, birds, and reptiles, including small alligators. Still, the FWC says the chances of a Florida resident being seriously injured in an unprovoked alligator attack are one in 3.1 million. a.An increase in algae growth Can you guess what gar like to eat? If the oyster population was reduced, what would you expect to happen to the quantity of microbes, floating algae and detritus? Thus in many areas where alligators once existed, they have disappeared or are only present in permanent water bodies (canals, ponds) or during periods of extremely high water. Water remains in alligator holes throughout the year except during severe drought conditions. weather related occurrences that affect populations regardless of their density. Under consumption, as hunters switch to a new animal to hunt. d.They will move to deeper waters for a more stable habitat, the inorganic nutrients would no longer be available to the producers, The diagram shows the cycling of energy and nutrients in an ecosystem. Several turtle species, such as the Florida red-bellied turtle (Chrysemys nelsoni), incubate their eggs inside both active and old/abandoned alligator nests. Alligators are apex predators. d.Fewer salmon will force bears to hibernate later, an increase in salmon birthrate and survival, Which of the following would most directly decrease the carrying capacity of minnows in an ecosystem with this food chain? What is the competitive equilibrium price and quantity in the market for electricity? c.They help to recycle nutrients back into the soil The wild population may be fewer than 150 individuals. decrease. d.The energy in ecosystems flows from decomposers back to producers Fish and Wildlife Service were to reduce or eliminate the tags required to hunt alligators? This social system affords protection during their most vulnerable life stage from predators such as raccoons, large fish, birds, and even other alligators mostly large, dominant males. Do Eric benet and Lisa bonet have a child together? It is one of the state's most ecologically important and often misunderstood predators. a.Producers b. a. f.Terrestrial grasses, Which organism in the food web represents the top consumer? Which position in the food chain represent the primary consumer? Pw2, A: Genetically modified (GM) food varieties are food varieties got from creatures whose hereditary, A: In an economy, water is the necessity for all the people due to which there is a continuous need of, A: As there is sufficient supply of the streets in the neighborhood, the situation is that of a Perfect, A: Adverse selection is the result of asymmetric information where a seller has complete information, A: Price control in an area leads to a problem such as shortage, rationing, deterioration of product, A: A. Get weekly and/or daily updates delivered to your inbox. People are not their meal of choice. (2) Efficient level of output. If you encounter an alligator you think will be a threat to people, pets or property, call the FWCs Nuisance Alligator Hotline at 1866FWCGATOR (3924286) or visitmyfwc.com. Consumers Discuss the impact on the: This species digs extensiveearthen tunnels with multiple chambers, entrances and pools. This audio file of an American alligator bellowing was recorded at Shark Valley on August 24, 2008. a. Decomposer b. They remove extra water from the soil. (5.4) That was when they realized that the alligators' favorite food, a large fish called a gar, had had a population explosion with no alligators to keep their numbers down. Chinese alligators can live up to 70 years in human care. b.The terrestrial grass population would decrease Both sexes may react very aggressively to one another, especially in first encounter situations. a. An organism that eats large amounts of tissue from a dead animal carcass. Mouse c. snake d. Hawk, Which of the following receives the least amount of energy in this food web? The Chinese alligator is in desperate need of habitat conservation and protection in the wild. 1% b. Juveniles eat a wide variety of small invertebrates, particularly insects, as well as small fish and frogs. a. The algae, the minnow, and the salmon The critically endangered Chinese alligator differs from its American counterpart in subtle ways. a.Fewer salmon will allow bears to the thrive and produce more offspring An 85-year-old woman defending her dog from an alligator attack in a St. Lucie County community was killed in February when the beast turned on her. 12,000 Perhaps no other animal is more closely identified with the Everglades than the American alligator. (5.4) Alligators like to feast on a variety amphibians, birds, fish, reptiles and small mammals, including raccoons and rabbits. (1) Market equilibrium level of output b. Plot the demand and supply curves, and determine the equilibrium price and quantity. (5.4) It is well understood that reproductive success is contingent on many factors, particularly hydrology. 1 If you get bitten by an alligator, get medical attention as soon as possible. Soon, the fish population also declines. c.Their habitat would shift further south To attack their prey, alligators disguise themselves by staying in the water with only their eyes peeping above the surface. c. 300 kilograms d. 5000 kilograms, Which of the following make up the second trophic level of the biomass pyramid? a.An ecosystem that has 1000 squirrels must produce at least 800,000 acorns a.Energy, like nutrients, is recycled in an ecosystem (5.4) Webstep in the passage of energy and matter through an ecosystem. In 2018, there was one fatality here, nine major alligator bites and one minor bite on people. a.The niches created by the decrease in certain species populations makes the island vulnerable to invasive species The American alligator also lacks the bony belly plates, or osteoderms, of the Chinese alligator. WebAmerican alligators were once threatened by extinction, but after being placed on the endangered species list in 1967, their population increased. They can reproduce into their 50s. Fish and Wildlife Service were to reduce or eliminate the tags required to hunt alligators? 30 kcal b. b.Their population will decrease Blue crabs feed on salt meadow grass, shrimp, and detritus. Dens are burrowed out and used for shelter and aestivation when winter temperatures fall or more commonly in the Everglades, when conditions are very dry. 0.75 Ecosystem can be directly affected by Deforestation. Amphibians are good indicators of significant environmental changes. As these populations increased they would put strains on or even drive their food sources to extinction. c. it takes 50 black rat snakes to feed 1 hawk, According to the pyramid of numbers given, which of the following statements are true? Alligators and crocodiles are an important part of aquatic ecosystems and of Florida's natural and cultural history. WebOpossums and foxes do not eat each other, so the number of births and deaths in the fox population will stay the same. The juveniles aggregate in pods that may include hatchlings from other nests and remain close to the mother typically as long as one year, but sometimes for two or even three years. Pw1 observed world price This answer is: 300 kcal c. 3,000 kcal d. 30,000 kcal, Which two organisms are primary consumers in the food web? (5.4) b. By living as a parasite of other species c.The grasshoppers are beginning to feed on the mice too a. Instead, they rely on external sources of heat to regulate their body temperature and lie out in the sun, or move to areas with warmer or cooler temperatures, to do so. A: Negative production externality occurs when the action of a supplier or a producer affects the third, A: a. The food chain will be disrupted if the grasshopper is removed and the ecosystem will become very unstable. e.As energy flows in an ecosystem, some is lost as heat to the environment. 2008 ). Provided by a.Snakes would increase, and grasshoppers would decrease Never swim outside posted swimming areas. The demand for electricity is represented by the inverse demand function P (Mw) =100 - Mw, where Mw represents the megawatts consumed by the public. All rights reserved. a. b.An increase in the amount of atmospheric carbon dioxide Energy stored in chemical bonds 5.4 Ecologists argue that the extinction of crocodiles could disrupt ecological processes and damage the ecosystem. a. 2023 www.desmoinesregister.com. a. Decomposers b. The mating system is polygamous, as a male may breed with more than one female. What does a negative standard reduction potential mean about a given element? 106 0 obj <> endobj b. 4 (5.4) a. I b. II c. III d. IV, Use the generic food chain to answer the question. What would happen if the American alligator went extinct? (5.4) This site uses cookies to assist with navigation, analyse your use of our services, collect data for ads personalisation and provide content from third parties. Each of these living things can be a part of multiple food chains. Global, A: The economics as a study is based upon the idea that the economies around the globe tend to witness, A: The villagers will make the decisions based on the C-B analysis How would the change in these small consumers most likely affect the island ecosystem? c.Grasses would decrease, and snakes would increase (5.4) a. In 2019, there was one fatality in Florida, five major and five minor alligator bites. Alligators can be found in every Florida county. d. Nuclear power plants, Algae receive energy directly from the sun which makes them which of the following? Suppose that government allows firms to trade their permits to emit carbon monoxide. In areas where bobcats and wolves neared extinction, the deer population increased exponentially. Do not attempt to get close, touch it or handle it. Now more than ever, we need your support. d.They will begin to compete with killer whales for habitat space, Which organisms in the food chain receive energy directly from the producer? a. Chinese alligators dig extensive tunnels with multiple chambers, entrances and pools. The first two firms have the same per-megawatt cost of production equal to $2, while firm C has a per-megawatt cost of $1. The abatement costs of one ton of pollution is $173 for Firm A and $76 for Firm B. If the gator went extinct ,it would take away the top predator in the everglades and would allow the prey animals numbers to explode to dangerous levels, throwing the ecosystem into chaos. They rely heavily on a variety of seal species as their main food source. Mouse c. snake d. Hawk, Which organism in the food chain is a secondary consumer? B. secondary succession. The first two firms have the same per-megawatt cost of production equal to $2, while firm C has a per-megawatt cost of $1. "Anywhere there is standing water, an alligator might be found," the FWC said in a statement to USA TODAY. Upon arrival in the water, she opens her jaws and shakes her head gently from side to side, encouraging the hatchlings to swim out. a. Make a donation to the Smithsonian's National Zoo and Conservation Biology Institute today! The information you enter will appear in your e-mail message and is not retained by Phys.org in any form. Water b. Primary consumers c. apex predators d. Decomposers, Which of the following is found at the top of any ecological pyramid? Similar to the ecosystem effects of Aldabra tortoises, these extinct tortoises modified the landscape through heavy grazing and soil disturbance (terraforming) but also through seed dispersal of endangered plants (Hansen et al. It is a cost which is incurred by the society\ Firm\ Individual (third party) due, A: McDonald's takes a variety of steps to ensure that it is up to date on environmental issues. Heres what we could expect to lose with the eradication of alligators: Alligators Impact on the Florida Ecosystem: 4 problems wed face without them. d.Available energy fluctuates either up or down depending on the number of organisms at each trophic level, Which organism in the food chain receives the greatest amount of energy from the grass? Price Producers b. This will disrupt the functioning of the whole food web and also the ecosystem. The lowest level of consumer for an organism that must obtain food by eating other organisms. long run and Last year, a 47-year-old man was killed while looking for Frisbees along a lakeshore in Largo and an 80-year-old woman was killed after falling into a pond at a country club south of Sarasota. Bellowing occurs among males and females during the breeding season. Predators that are normally controlled by alligators can become uncontrollable if there is decline in the species. answer choices soil sunlight producer consumer Question 5 30 seconds Q. Greg was studying a forest ecosystem. "If you should be attacked, fight like your life depends on it because it does," Mazzoti said. 150 c. 30,000 Adult male alligators occasionally reach 13 to 15 feet in length. d.The energy in inorganic nutrients would be transferred directly to consumers, Which organisms in this energy pyramid represents a producer? As water depth decreases, prey becomes concentrated in alligator holes, alligators capture more prey, and body condition increases. the development of substitutes for the resource.c. a. Trout b. Smelt c. zooplankton d. Phytoplankton, the decrease in biodiversity threatens the health of the island ecosystem by disrupting the flow of energy and nutrients, Concerned about a mosquito-borne disease epidemic, an island community sprays heavily and repeatedly for mosquitos after a storm floods the island. During the summer months, adult salmon return to the rivers to spawn. a.The inorganic nutrients would no longer be available to the producers Of course, many different animals eat grass, and rabbits can eat other plants besides grass. c. specialization of marine carnivores d. Diversity of marine niches, Polar bears are carnivorous mammals that live primarily in the arctic. Carbon c. oxygen d. Energy, Which could be considered a secondary consumer? Multiple Choice Over consumption, which could lead to less profit. (remember that in a competitive market the price will be driven down to marginal cost (since firms in a competitive market earn zero economic profit). b.An ecosystem with 50 black rat snakes will feed 1000 squirrels the development of complements for the resource.b. When you feed them, alligators can overcome their natural fear of humans and start to associate them with food. "The animals have nowhere else to go. WebAs the alligators disappeared, so did all those game fish that they liked to catch. a. available energy decreases because some is released as heat into the environment Intermediate temperature ranges yield a mix of both male and female hatchlings.

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