This audio file of an American alligator bellowing was recorded at Shark Valley on August 24, 2008. What are the chances of being bitten? 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. b.Decreased aquatic vegetation Sources Animal Diversity Web, University of Michigan Museum of Zoology National Geographic National Park Service What might happen to alligators in the south if the U.S. e.As energy flows in an ecosystem, some is lost as heat to the environment. The sound of dogs barking and playing may even draw an alligator to the area. 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. b.A decrease in grasshoppers but an increase in mice 6,000 Elephants in India destroy crops and homes. The snout of an alligator is characteristically broad, although the shape can vary slightly among populations and individuals. Perhaps the greatest contribution the alligator makes to the ecosystem and its inhabitants are gator holes that adults create and expand year by year. 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? a.Frogs b.Terrestrial grasses c. consumers d. Scavengers, Which type of organisms makes use of the lowest energy level? Homestead, Still, the FWC says the chances of a Florida resident being seriously injured in an unprovoked alligator attack are one in 3.1 million. Alligators are an important part of the Everglades ecosystem and are considered a keystone species of the park. As summer begins, they switch to more nocturnal feeding habits to avoid the heat and humans while they begin their annual mating rituals. This means that if the species were to disappear from the ecosystem, no other species would be able to fill its ecological niche. c. decomposers d. carnivores, Use the generic food chain to answer the question. 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 And how much electricity is produced after the permits are traded? If the oyster population was reduced, what would you expect to happen to the quantity of microbes, floating algae and detritus? A. "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. (5.4) But they can move very quickly for short distances on land and they can lunge. 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. Alligators and crocodiles are ectothermic. If you get bitten by an alligator, get medical attention as soon as possible. Alligators play an important role in maintaining ecosystem balance. Why are amphibian populations declining? | U.S. Geological Survey Number of llamas on the commons. As these populations increased they would put strains on or even drive their food sources to extinction. Soon, the fish population also declines. a. Grasshopper b. Young vocalize to bring the group together and maintain its cohesion, while adults respond to juvenile distress calls. Sitting at the top of the food chain, alligators are apex predators and help keep other animal populations in balance. What is the competitive equilibrium price and quantity in the market for electricity? Give them their space and never feed them because this will make them less afraid of people. 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. People are not their meal of choice. what would happen if the decomposers were removed from the They are an important part of the ecosystem and usually avoid humans, but as our population and housing rapidly expands and pushes them out of their natural habitats, we can expect to see more frequent alligator-human conflict. 300 kcal c. 3,000 kcal d. 30,000 kcal, Which two organisms are primary consumers in the food web? ecosystems. Your email address is used only to let the recipient know who sent the email. alligator They recycle nutrients into the soil. Producers b. c. decomposers d. Inorganic nutrients. All rights reserved. Anyone who encounters one and believes it may pose a threat, should contact the Florida Fish and Wildlife Conservation Commission. a. Summary of how water-management changes associated with Everglades restoration are expected to affect In the pond community, the frog population is drastically reduced by this infection. (5.4) American Alligator Ecology and Monitoring Rising prices for a natural resource stimulatea. 1 Over consumption, which could lead to extinction. primary consumer. b.Their population will further decrease sd2 domestic supply curve 1.50 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. About 100 Chinese alligators are managed under the Species Survival Program in North American institutions. This is, A: Cattlemen use portion of the ground adjacent to the fence for dog breeding. Upon arrival in the water, she opens her jaws and shakes her head gently from side to side, encouraging the hatchlings to swim out. They like to eat many kinds of game fish. Alligators like to feast on a variety amphibians, birds, fish, reptiles and small mammals, including raccoons and rabbits. Select all that apply? Figure 1. I II III IV top consumer 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. 113 (5.4) An organism that eats a secondary consumer. 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. 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 Chinese alligator a.The fish population would increase alligators Select one: WebEven with the removal of the invasive species these damaged ecological processes can remain and will challenge successful restoration efforts. Income for llama can be calculated as follows. Human conflicts with alligators are rare and generally not serious, but incidents do occur and have been reported. Which 2 of the following statements are true concerning energy flow in an ecosystem? Rather, Florida's population growth and demand for waterfront properties may be the cause for increased sightings. 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. Which statement best describes a result of a change in the salmon population? Manatees live in warm, shallow coastal waters. It's smaller, the head is more robust and its snout is slightly upturned. (5.4) 'Terrifying ordeal from the neighbor who witnessed fatal alligator encounter, 'Alligator bite incident':Wildlife officials investigate woman's death at golf community. Springtime courtship rituals are complex and can last for several hours. The more we develop, the more likely we are to see this type of conflict.". 144 0 obj <>stream Alligators also help protect birds. a. Squirrel b. Beetle c. snake long run and not a.Snakes would increase, and grasshoppers would decrease Alligators tend to be shy, but they are still predators. b.An ecosystem with 50 black rat snakes will feed 1000 squirrels 2011-03-25 06:08:30. Energy stored in chemical bonds c.The frog population would decrease They keep disease out of the soil. First week only $4.99! (1) Market equilibrium level of output A) The element is more readily oxidized than hydrogen. Alligators and crocodiles are an important part of aquatic ecosystems and of Florida's natural and cultural history. }.U=c~4+cs~M&I|!$r(==QbF ;P;g9: /F&q eKU1)z. State laws prohibit feeding, harassing, killing or possessing them. What does a negative standard reduction potential mean about a given element? d.The number of organisms decreases with each trophic level, but the amount of energy in each trophic level increases Over time, human practices like agriculture and development caused many species to become threatened This project is the culmination of 13 years of study on the nesting success of alligators in Everglades National Park. "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. c.Available energy remains the same even though biomass decreases at each trophic level or, by Evelyn Perez, Florida International University. b. "The animals have nowhere else to go. American Alligator c.Their diet will change to include fish and small crustaceans Fun Fact As an American alligators teeth wear down or fall out, new ones come in. A: Negative production externality occurs when the action of a supplier or a producer affects the third, A: a. Copy. How would the change in these small consumers most likely affect the island ecosystem? b. 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. Alligators are everywhere:Alligators can be found in every Florida county. 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.An increase in the number of frogs, What would most likely happen if the insect population significantly decreased? Its diet mostly includes snails, crustaceans, insects and fish, but young waterfowl and rodents will be taken if available. They typically wait for something to swim or walk by and then lunge at it. Firms A, B, and C produce respectively 1, 2, and 3 cubic feet of carbon monoxide per megawatt produced. c. carnivore d. Detritivore, Which receive energy directly from the sun? Click here to sign in with 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.