(5.4) a. (2) Efficient level of output. Although these animals become easy prey for alligators and other predators such as wading birds, the value of the refuge outweighs the risk. "Anywhere there is standing water, an alligator might be found," the FWC said in a statement to USA TODAY. Energy Alligator bites can result in serious infection. I II III IV top consumer Over consumption, which could lead to extinction. Dwindling populations of alligators were the result of hunting and loss of habitat, and the American alligator was listed as an endangered species in 1967 under a law that preceded the Endangered Species Act of 1973. WebFemale alligators choose nest sites above the water level to reduce the chance of flooding, which would kill most eggs within 12 hours of submergence. (5.4) The eyelids of the Chinese alligator have a bony plate that is missing in the American alligator. alligator (5.4) 12,000 Heithaus, an expert on apex predators, reminds you to be vigilant when you are near shorelines, especially between dusk and dawn when they are most active. Water remains in alligator holes throughout the year except during severe drought conditions. Do you have pictures of Gracie Thompson from the movie Gracie's choice. "Anytime you show up next to water, you're assuming some risk Don't tempt it. (5.4) By living as a parasite of other species Did Billy Graham speak to Marilyn Monroe about Jesus? decrease. 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. d. Marginal external costs are zero. Both sexes may react very aggressively to one another, especially in first encounter situations. 150 c. 30,000 Blue crabs feed on salt meadow grass, shrimp, and detritus. Wiki User. Web7) If whales, sharks, seals and alligators were removed from the ecosystem what would you expect to happen to the numbers of predatory fish? Mouse c. snake d. Hawk, Which organism in the food chain is a secondary consumer? It's smaller, the head is more robust and its snout is slightly upturned. Unlike nutrients, energy is not recycled and reused in an ecosystem Although alligators tend to hang out under rookeries to eat nestlings that fall out of their nests, they also like to eat raccoons, which prey on birds while they're in their nests. The hawk population in this grassland ecosystem is suffering losses due to a poxvirus rapidly spreading disease among the hawks. 12,000 Alligators Does this provide a good incentive for low-cost production as compared with fishing in the open seas where there are few if any property rights? Alligators and crocodiles are an important part of aquatic ecosystems and of Florida's natural and cultural history. d. Bears, As a general rule of thumb, about how much energy contained in the plants is available to the raccoons? 6,000 And how much electricity is produced after the permits are traded? 'I saw the gator grab her. If you take photos, do it from a safe distance, at least 30 feet. a.The remaining hawks are eating only mice The American Alligator: An Indicator Species for The firms differ, however, in their pollution. The temperature at which the eggs develop determines the sex of the hatchling. 2008 ). c. energy stored in cells Leopards in Africa attack and consume people. (5.4) What would happen Local journalists work hard to keep you informed about the things you care about, and you can support them by subscribing to yourlocal news organization. Amphibians, unlike people, breathe at least partly through their skin, which is constantly exposed to everything in their environment. Which position in the food chain represent the primary consumer? Here, a firm's cost and benefit of pollution are graphed. 1.50 the development of substitutes for the resource.c. a. 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 Ecosystem 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. Wildlife-human conflict happens all over the world. "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. An organism that eats a secondary consumer. The larger opossum population will leave fewer energy storage molecules for all other populations in the ecosystem, so the fox population will reproduce less. 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. As summer begins, they switch to more nocturnal feeding habits to avoid the heat and humans while they begin their annual mating rituals. Can you guess what gar like to eat? a.Energy, like nutrients, is recycled in an ecosystem 1,000 c. 100,000 d. 1,000,000, According to the energy pyramid, the grass seeds contain 300,000 kcal. What role do coenzymes play in metabolism? This means that if the species were to disappear from the ecosystem, no other species would be able to fill its ecological niche. b.They are producers This answer is: 0
What might happen to alligators in the south if the U.S. (5.4) Of course, if water depth decreases too low or remains low for too long, prey become less numerous and alligator body condition suffers or cannibalism occurs, or both. 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. Chinese alligator 0 Mouse c. snake d. Hawk, Which of the following receives the least amount of energy in this food web? Alligator Intermediate temperature ranges yield a mix of both male and female hatchlings. a. a. benefit to consumer = area between, A: Answer: The price the villager gets for the 2-year-old llama depends on the quality of the fleece it grows while grazing on the commons. Make a donation to the Smithsonian's National Zoo and Conservation Biology Institute today! What are the chances of being bitten? Evaluate the work, in kJ/kg. Chinese alligators usually grow to about 5 feet (1.5 meters). The information you enter will appear in your e-mail message and is not retained by Phys.org in any form. a. Bird b. Squirrel c. snake d. Mouse e. Eagle f. seeds, Which of the following makes up the base of all ecological pyramids? Still, the FWC says the chances of a Florida resident being seriously injured in an unprovoked alligator attack are one in 3.1 million. d.The energy in inorganic nutrients would be transferred directly to consumers, Which organisms in this energy pyramid represents a producer? ", If you're being chased by an alligator, run straight, don't try to zig-zag. They remove extra water from the soil. A) The vertebral column physically supports the skull and trunk. Alligators play an important role in maintaining ecosystem balance. a.Grasshopper b. Primary consumers Fish b. Spiders c. frogs Your email address is used only to let the recipient know who sent the email. 10% c. 25% d. 100%, According to the biomass pyramid, how much biomass of grass is needed to support 300 kilograms of insect biomass? 4 c.Their habitat would shift further south Demands for. a. long run and not Suppose firms are not held accountable for the pollution they produce. An organism that eats large amounts of tissue from a dead animal carcass. Under consumption, as hunters switch to a new animal to hunt. Adult male alligators occasionally reach 13 to 15 feet in length. 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. Plot the demand and supply curves, and determine the equilibrium price and quantity. 5 b.An ecosystem with 50 black rat snakes will feed 1000 squirrels Density-independent factor. What might happen to alligators in the south if the U.S. The Chinese alligator is an opportunistic feeder. 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. Alligators and crocodiles are an important part of aquatic ecosystems and of Florida's natural and cultural history. Number of llamas on the commons. Bellowing occurs among males and females during the breeding season. Producers b. WebIf alligators became endangered it would negatively impact our delicately balanced Florida ecosystem. Wetlands in the Philippines suffer from pollution, flow modification, habitat degradation, invasive species, and over-exploitation. WebSolution. Snake b. Bird c. eagle d. Beetle, Which two organisms in this food web receive energy directly from the beetle? 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? 113 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. Firms A, B, and C produce respectively 1, 2, and 3 cubic feet of carbon monoxide per megawatt produced. C. tertiary succession. 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. 8,000 In historical times, the Chinese alligator was found in the extensive lakes and marshlands of the middle-lower Yangtze River region and along the river from Shanghai to Jianling City in the Hubei Province. It's alligator mating season in Florida:So expect more neighborhood gator sightings. Alligators are most active between dusk and dawn. However, even after hunting was prohibited in Florida, illegal poaching continued into the 1970s because the belly skin of alligators produces high-quality leather. (5.4) Which of these is the primary source of energy in food webs? Hall, William C. Rose. The Chinese alligator is in desperate need of habitat conservation and protection in the wild. E) It absorbs stresses produced by walking, running, and lifting. Q1: What is the competitive price of a permit to emit 1 cubic foot of carbon monoxide? American alligators are an important tale of reptile conservation and the importance of realistic solutions to extreme declines. Of course, many different animals eat grass, and rabbits can eat other plants besides grass. Upon arrival in the water, she opens her jaws and shakes her head gently from side to side, encouraging the hatchlings to swim out. 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. Neither your address nor the recipient's address will be used for any other purpose. 1% b. c.Fewer zooplankton become available The villagers make their investment decisions one after another, and their decisions are public. The bright yellow cross-bands that juvenile alligators sport against a black background provide effective camouflage. In addition to killing mosquitos, the pesticide kills soil-dwelling small crustaceans, such as fiddler crabs, krill, and shrimp. a. American Alligator Nesting and Reproductive Success in Everglades National Park (5.4) The government gives each firm 10 pollution permits. a. Decomposer b. They keep disease out of the soil. Fish b. Spiders c.zooplankton b.The water snakes eat more fish Fish and Wildlife Service were to reduce or eliminate the tags required to hunt alligators? endstream
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8) If the oyster population was reduced what would you expect to happen to the quantity of 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. b. 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. (5.4) Amphibians are good indicators of significant environmental changes. She carries 8 to 10 hatchlings at a time in her mouth down to the water, pulling her tongue down to make a pouch in which they sit. 6,000 30 kcal b. Alligators typically breed and look for new habitats inthe spring and summertime,meaning there could be an increase in alligator activity during those months. Sources Animal Diversity Web, University of Michigan Museum of Zoology National Geographic National Park Service A. 125 (5.4) a. Squirrel b. Beetle c. snake The species that exist today were those that were not wiped out when the dinosaurs died. WebAs the alligators disappeared, so did all those game fish that they liked to catch. This is, A: Cattlemen use portion of the ground adjacent to the fence for dog breeding. What might happen to alligators in The MC curve is the marginal cost curve, A: 1. ecosystem d.Grasshoppers would increase, and snakes would decrease, the snakes are increasing with fewer predators feeding on them, 31. c.The grasshoppers are beginning to feed on the mice too Multiple Choice Over consumption, which could lead to less profit. Social life begins before hatching, as nest mates communicate egg to egg and with parents who open the egg chamber when synchronized hatching begins. c. Marginal private costs are above marginal social costs The American Alligator: An Indicator Species for Apart from any fair dealing for the purpose of private study or research, no I II III IV top consumer 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. Get weekly and/or daily updates delivered to your inbox. Multiple Choice Over consumption, which could lead to less profit. How would the ecosystem be affected if grasshoppers were removed? 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? WebIf whales, sharks, seals and alligators were removed from the ecosystem, what would you expect to happen to the numbers of predatory fish? 85-year-old woman defending her dog from an alligator attack, November 2021 report from the Florida Fish and Wildlife. a. I b. II c. III d. IV, Which of the following best characterizes the top consumer of this food chain (5.4) What are the chances of being bitten? B. secondary succession. Suppose firms are not held accountable for the pollution they produce. When you feed them, alligators can overcome their natural fear of humans and start to associate them with food. American Alligator Ecology and Monitoring Alligators are efficient predators. The number of alligators began to rebound when alligator farms opened and hunting was outlawed, easing the pressure on wild populations. Given this food web, what factor allows the killer whale population to be stable even if marine mammal populations decrease? Completed nests are about 3.5 feet high and twice as wide. c. heterotrophs Sitting at the top of the food chain, alligators are apex predators and help keep other animal populations in balance. Suppose that government allows firms to trade their permits to emit carbon monoxide. b.Available energy increases because more organisms are consumed at higher trophic levels Identify the area of consumer surplus and the area of producer surplus. Were it not for additional changes in the law controlling the movement of alligator hides, extinction may have been possible. d. Eagle e. Bird f. Mouse, Which organism represented in this food web would be the top consumer? Solve two ways: using (a) the ideal gas model, (b) IT with water/steam data. What is wrong with reporter Susan Raff's arm on WFSB news? c.An increase in fish eggs that are laid Primary consumers c. apex predators d. Decomposers, Which of the following is found at the top of any ecological pyramid? What would be the total cost of reducing pollution, if the firms are allowed to trade permits between each other? The firms differ, however, in their pollution. That in turn depends on the animals access to grazing, which depends on the number of llamas sent to the commons, as shown in the following table: A village has six residents, each of whom has accumulated savings of $100. 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. 0.75 A sudden decrease in the number of blue crabs would reduce the food availability for alligators and food scarcity a. d.The frog population would increase, Chapter 14 Vocabulary Quiz - Septemer 9th Quiz, Chapter 6 The Integumentary System No Pictures, Michelle Provost-Craig, Susan J. a.Increased terrestrial grass growth The Chinese alligator is the only member of the eight species in the Alligatoridae family to exist outside of the Americas. Their populations should go up because nothing else, except birds, eats them. Growing up to nearly 15 feet in length, the American alligator can take up residence in Florida's canals, lakes, rivers and swamps. WebWithout these ecosystem services, freshwater ponds and shrubs and trees would fill in coastal wetlands in the alligators habitat, and dozens of species would disappear. d. Nuclear power plants, Algae receive energy directly from the sun which makes them which of the following? Chinese alligators dig extensive tunnels with multiple chambers, entrances and pools. The American alligator (Alligator mississippiensis) ranges throughout the southeastern United States, and alligators within Everglades National Park exist at the southern extreme of their range. What happens if an animal is removed from the food chain 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? WebOpossums and foxes do not eat each other, so the number of births and deaths in the fox population will stay the same. 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. The discarded salmon carcasses provide nutrients downstream and to terrestrial landscapes. By using our site, you acknowledge that you have read and understand our Privacy Policy Ch.6 Ecology and Human Impact What happens if decomposers are removed from the (5.4) c. decomposers d. Inorganic nutrients. Alligator attacks are not uncommon in Florida, although deaths from them are. Alligators also help protect birds. The abatement costs of one ton of pollution is $173 for Firm A and $76 for Firm B. WebIf alligators decline it will allow other animals to move up on the food chart and knowing which ones will help a lot to determine what could happen and how that will change the ecosystem. c.Grasses would decrease, and snakes would increase The critically endangered Chinese alligator differs from its American counterpart in subtle ways. 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. This investigation provides valuable insight into hatchling success and nest site selection, as well as impacts from flooding, predation, and infertility.