a. a. If the insurance covered the full cost of its treatment, then the maximum amount that it would be, A: Wildlife conservation refer to protecting animal and plant species and their habitats. 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. In their absence, dead organic matter will pile up and nutrient recycling will be inhibited. B. secondary succession. a.An ecosystem that has 1000 squirrels must produce at least 800,000 acorns In a marsh ecosystem, alligators feed on blue crabs. what would happen if the decomposers were removed from the Under consumption, as hunters switch to a new animal to hunt. tertiary consumer. American alligators are an important tale of reptile conservation and the importance of realistic solutions to extreme declines. However, we do not guarantee individual replies due to the high volume of messages. Over time, human practices like agriculture and development caused many species to become threatened If you see one, go the other way. Although these animals become easy prey for alligators and other predators such as wading birds, the value of the refuge outweighs the risk. a.Increased terrestrial grass growth The first two firms have the same per-megawatt cost of production equal to $2, while firm C has a per-megawatt cost of $1. Donnelly, an expert on amphibians and reptiles, recommends you never allow children or pets to play, swim or exercise in bodies of water theses reptiles may call home. (5.4) Hitting or kicking the alligator or poking it in its eyes may cause it to release its grip. Did Billy Graham speak to Marilyn Monroe about Jesus? c. it takes 50 black rat snakes to feed 1 hawk, According to the pyramid of numbers given, which of the following statements are true? As energy flows in an ecosystem, some is lost as heat to the environment. Over consumption, which could lead to less profit. }.U=c~4+cs~M&I|!$r(==QbF ;P;g9: /F&q eKU1)z. Do you have pictures of Gracie Thompson from the movie Gracie's choice. It certainly does. 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. Evaluate the work, in kJ/kg. Under consumption, which could lead to less profit. C) The element is more readily oxidized than most other elements. c. decomposers d. Inorganic nutrients. a.An increase in algae growth 3001 Connecticut Ave., NW Its diet mostly includes snails, crustaceans, insects and fish, but young waterfowl and rodents will be taken if available. a. Decomposers b. 150 c. 30,000 If the oyster population was reduced, what would you expect to happen to the quantity of microbes, floating algae and detritus? Alligators now number perhaps 3 million, most in Florida and Louisiana. 0 (5.4) 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. Question 4 30 seconds Q. b.With fewer large fish, killer whales prey on more marine mammals Price long run and not An alligator can go through 3,000 teeth in a lifetime. a. (5.4) Florida International University. d.The water snake population increases, Which of the following could increase the carrying capacity of insects in the pond ecosystem shown? The yellow banding fades away as the juveniles mature. the ecosystem would collapse because an alligator eats fish right? "Anywhere there is standing water, an alligator might be found," the FWC said in a statement to USA TODAY. "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. Snake b. Bird c. eagle d. Beetle, Which two organisms in this food web receive energy directly from the beetle? During the summer months, adult salmon return to the rivers to spawn. Thank you for taking time to provide your feedback to the editors. endstream endobj 107 0 obj <>/Metadata 7 0 R/Pages 104 0 R/StructTreeRoot 14 0 R/Type/Catalog>> endobj 108 0 obj <>/MediaBox[0 0 612 792]/Parent 104 0 R/Resources<>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]/XObject<>>>/Rotate 0/StructParents 0/Tabs/S/Type/Page>> endobj 109 0 obj <>stream Keep an eye on children when they are playing in or around water, and do not allow pets to swim, exercise or drink or near waters that may contain alligators. Alligators like to feast on a variety amphibians, birds, fish, reptiles and small mammals, including raccoons and rabbits. As these populations increased they would put strains on or even drive their food sources to extinction. 4,000 b. This means that if the species were to disappear from the ecosystem, no other species would be able to fill its ecological niche. Wiki User. What might happen to alligators in the south if the U.S. 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 The government gives each firm 10 pollution permits. The government has decided to reduce the pollution and from now on will require a pollution permit for each ton of pollution dumped into the river. ecosystems. The color of adult alligators varies with habitat and can be olive, brown, gray, or nearly black, with a creamy underside. Each of these living things can be a part of multiple food chains. Growing up to nearly 15 feet in length, the American alligator can take up residence in Florida's canals, lakes, rivers and swamps. a. Bird b. Squirrel c. snake d. Mouse e. Eagle f. seeds, Which of the following makes up the base of all ecological pyramids? D. a climax community. a. I b. II c. III d. IV, Which of the following best characterizes the top consumer of this food chain (5.4) c. zooplankton d. Fish Alligators and Hydrology Water depths and durations in the Everglades have been transformed by drainage and impoundment. 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. There are three firms, A;B; and C that produce electricity. d.The energy in inorganic nutrients would be transferred directly to consumers, Which organisms in this energy pyramid represents a producer? (5.4) Can you guess what gar like to eat? Completed nests are about 3.5 feet high and twice as wide. 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. 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. An organism that eats a secondary consumer, An organism that eats large amounts of tissue from a dead animal carcass, The lowest level of consumer for an organism that must obtain food by eating other organisms, An organism that eats consumers that have eaten producers, The lowest level of consumer for a carnivore, An omnivore that eats a primary consumer as a meal, What is the ultimate energy source for living organisms? Prepared by George H. Dalrymple What would be the total cost of reducing pollution, if the firms are allowed to trade permits between each other? Your feedback is important to us. a.The niches created by the decrease in certain species populations makes the island vulnerable to invasive species Alligators have been in Florida for centuries and can be found in all 67 counties. What are the chances of being bitten? a.Diversity of available prey b. Abundance of producers d. Only the minnow, abundant salmon will allow bears to thrive and produce more offspring, Salmon are born in rivers and mature there until they swim to the ocean as adults. 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. Share the story of this animal with others. 10 kilograms The demand for electricity is represented by the inverse demand function P (Mw) =100 - Mw, where Mw represents the megawatts consumed by the public. Multiple Choice Over consumption, which could lead to extinction. Under consumption, as hunters switch to a new animal to hunt. Income for llama can be calculated as follows. 119 Both sexes tend to be smaller in South Florida. answer choices soil sunlight producer consumer Question 5 30 seconds Q. Greg was studying a forest ecosystem. a.Energy, like nutrients, is recycled in an ecosystem 'Terrifying ordeal from the neighbor who witnessed fatal alligator encounter, 'Alligator bite incident':Wildlife officials investigate woman's death at golf community. primary consumer. A. d. Bears, As a general rule of thumb, about how much energy contained in the plants is available to the raccoons? the development of substitutes for the resource.c. What are the chances of being bitten? However, even after hunting was prohibited in Florida, illegal poaching continued into the 1970s because the belly skin of alligators produces high-quality leather. 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? ", 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. A cubic foot of carbon monoxide pollutes the environment, and has a social cost of $2.5. (5.4) It is illegal to feed or provoke alligators as well as all other wildlife. e.As energy flows in an ecosystem, some is lost as heat to the environment. c. 300 kilograms d. 5000 kilograms, Which of the following make up the second trophic level of the biomass pyramid? a.They will adapt their diet to include large fish, squid, and octopus A: Negative production externality occurs when the action of a supplier or a producer affects the third, A: a. WebIf alligators are removed from their native ecosystem, it would affect countless other species. The female opens the nest in response to calls from the hatchlings when the eggs are ready to hatch. %PDF-1.5 % Chapter 15 Ecosystem Interdependence c. Marginal private costs are above marginal social costs What might happen to alligators in The food chain will be disrupted if the grasshopper is removed Sources Animal Diversity Web, University of Michigan Museum of Zoology National Geographic National Park Service The adult diet typically consists of fish, turtles, small mammals, birds, and reptiles, including small alligators. According to aNovember 2021 report from the Florida Fish and WildlifeConservation Commission (FWC): Alligators have been in Florida for centuries and can be found in all 67 counties. 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. This is, A: Cattlemen use portion of the ground adjacent to the fence for dog breeding. Amphibians, unlike people, breathe at least partly through their skin, which is constantly exposed to everything in their environment. Alligator attacks are not uncommon in Florida, although deaths from them are. 'I saw the gator grab her. Ecosystem c.The frog population would decrease Which of these is the primary source of energy in food webs? 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. 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. Largely nocturnal because of human persecution, they stay in their tunnels much of the day when humans are in the vicinity as well as during cool weather and winter months. a.With fewer large fish, marine mammals feed on more small fish d.The decrease in biodiversity threatens the health of the island ecosystem by disrupting the flow of energy and nutrients, How many snakes are most likely represented by Z? Primary consumers c. apex predators d. Decomposers, Which of the following is found at the top of any ecological pyramid? Given this food web, what factor allows the killer whale population to be stable even if marine mammal populations decrease? and the ecosystem will become very unstable. (2) Efficient level of output. They like to eat many kinds of game fish. Here, a firm's cost and benefit of pollution are graphed. The Chinese alligator is an opportunistic feeder. That's a long list, More:77-year-old woman bitten by alligator in Lakewood Ranch retirement community. a. 2 kilograms b. What's New at the Smithsonians National Zoo This Summer? Young vocalize to bring the group together and maintain its cohesion, while adults respond to juvenile distress calls. American Alligator A global-positioning anti-theft device installed by one car owner can produce a positive spillover to other citizens in a community. That's a long list, 77-year-old woman bitten by alligator in Lakewood Ranch retirement community, Nuisance alligator numbers way up in St. Johns County, Palm Coast gator gets new home after showing up at apartment door, Texas graduate poses with 14-foot alligator in wild photo shoot, Running zigzag won't help you and gators can climb, Florida man survives in swamp for three days after losing arm to alligator, meaning there could be an increase in alligator activity, So expect more neighborhood gator sightings, Your California Privacy Rights / Privacy Policy. As water depth decreases, prey becomes concentrated in alligator holes, alligators capture more prey, and body condition increases. Simply raising awareness about this species can contribute to its overall protection. The American alligator, which is known to live in Florida, North Carolina and Oklahoma, has been listed as a threatened species since 1979 by the Fish and Wildlife Service. "Splashing in the water will attract analligators interest, and if it perceives at that point in time that there's something smaller and weaker in the water, it might attack it," said Frank Mazzotti, professor of wildlife ecology and member of the "Croc Docs" at the University of Florida. Why are amphibian populations declining? | U.S. Geological Survey alligators Summary of how water-management changes associated with Everglades restoration are expected to affect The number of alligators began to rebound when alligator farms opened and hunting was outlawed, easing the pressure on wild populations. (5.4) Firms A, B, and C produce respectively 1, 2, and 3 cubic feet of carbon monoxide per megawatt produced. Intermediate temperature ranges yield a mix of both male and female hatchlings. "Anytime you show up next to water, you're assuming some risk Don't tempt it. Q1: What is the competitive price of a permit to emit 1 cubic foot of carbon monoxide? a. Squirrel b. Beetle c. snake Assuming the market for apples meets the efficiency condition, show the equilibrium price and quantity that maximizes net benefit to society. (5.4) Mouse c. snake d. Hawk, Which organism in the food chain is a secondary consumer? Soon, the fish population also declines. 10,000 144 0 obj <>stream What might happen to alligators in the south if the U.S. Please select the most appropriate category to facilitate processing of your request. About the Smithsonian Conservation Biology Institute, #CheetahCubdate 9: An Ice Bucket Challenge. Foxes, in turn, can eat many types of animals and plants. a. The villagers make their investment decisions one after another, and their decisions are public. Producers 2008 ). a. (5.4) If you see one when you're in the water, get out as quickly and as quietly as you can. The firms differ, however, in their pollution. a.Fewer salmon will allow bears to the thrive and produce more offspring b.Plants get energy from the animals that consume them Alligators can be found in practically all fresh and brackish water and sometimes in salt water. Chinese alligator The hawk population in this grassland ecosystem is suffering losses due to a poxvirus rapidly spreading disease among the hawks. 10 b. Get weekly and/or daily updates delivered to your inbox. The species that exist today were those that were not wiped out when the dinosaurs died. Alligators tend to be shy, but they are still predators. d.They will begin to compete with killer whales for habitat space, Which organisms in the food chain receive energy directly from the producer? Click here to sign in with Each year in April, the alligators emerge from their winter burrowsand find sunny spots in which to bask. 10,000 c.Their habitat would shift further south If you see a body of water in Florida, it might be safer to assume there's a gator in it. (5.4) See answer (1) Best Answer. The more we develop, the more likely we are to see this type of conflict.". I II III IV top consumer Some may weigh up to 85 pounds (38.5 kilograms); however, most weigh less than 50 pounds (23 kilograms). Heres what we could expect to lose with the eradication of alligators: Alligators Impact on the Florida Ecosystem: 4 problems wed face without them. Ecosystem can be directly affected by Deforestation. (5.4) Alligators 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. (5.4) or, by Evelyn Perez, Florida International University. What is the competitive equilibrium price and quantity in the market for electricity? (5.4) In 2021, there were seven major and three minor alligator bites. Alligators play an important role in maintaining ecosystem balance. A critically endangered cousin of the American alligator, it is one of the few alligators outside of the Americas. C. tertiary succession. How much pollution is there at the competitive equilibrium and what is the social cost of this pollution? c.Their diet will change to include fish and small crustaceans (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). The eyelids of the Chinese alligator have a bony plate that is missing in the American alligator. The American alligator is a freshwater species, while the American crocodile can thrive in both freshwater and saltwater habitats. a. c. herbivore d. Carnivore, they help to recycle nutrients back into the soil, Why are fungi and bacteria important in a food chain or food web? a.An increase in the amount of energy received from the sun Sitting at the top of the food chain, alligators are apex predators and help keep other animal populations in balance. 1,000 c. 100,000 d. 1,000,000, According to the energy pyramid, the grass seeds contain 300,000 kcal. "The animals have nowhere else to go. Alligators are everywhere:Alligators can be found in every Florida county. capacity of an animal to complete complex, stereotyped responses to the first time encounters with key stimuli. Alligator WebEven with the removal of the invasive species these damaged ecological processes can remain and will challenge successful restoration efforts. c.Abundant salmon will allow bears to thrive and produce more offspring By using our site, you acknowledge that you have read and understand our Privacy Policy The wild population may be fewer than 150 individuals. Carbon c. oxygen d. Energy, Which could be considered a secondary consumer? 125 b.They are producers Do not attempt to get close, touch it or handle it. Wildlife-human conflict happens all over the world. Decomposers have a very significant role in a food web. Alligators are apex predators. Suppose that government allows firms to trade their permits to emit carbon monoxide. the development of externalities from the resource.d. c.Grasses would decrease, and snakes would increase What would most likely happen to the food web if there were a sudden decrease in the number of blue crabs? WebThey make the soil clean. Mark Woods:In Florida, what's more dangerous than paddling with gators? Aside from the ethical implications of having exterminated a species irreversibly, the extinction of one species can affect the entire ecosystem, with knock-on effects that ripple through the fabric of natural ecosystems. Over consumption, which could lead to extinction. Alligators to the Florida Ecosystem The larger opossum population will leave fewer energy storage molecules for all other populations in the ecosystem, so the fox population will reproduce less. Blue crabs feed on salt meadow grass, shrimp, and detritus. 30 kcal b. Alligators are an important part of the Everglades ecosystem and are considered a keystone species of the park. b.Abundant salmon will harm river nutrients and terrestrial landscapes Firm A currently dumps 223 tons of chemicals into the local river. Which of the following most likely describes the effect of the drought on this food chain? Alligators also help protect birds. Homestead, The highly efficient predators are quick on land and even faster in water. WebAmerican alligators were once threatened by extinction, but after being placed on the endangered species list in 1967, their population increased. (5.4)