Discuss the impact on the: and Terms of Use. 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. Aquaculture is the growing of fish, shrimp, and other seafood in enclosed cages or ponds. 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. 1.00 Both sexes tend to be smaller in South Florida. This keystone species bears considerable importance in the health and function of south Florida's ecology. Feeding activity is governed by water temperature, and foraging ceases if the temperature drops below 68 to 73 degrees Fahrenheit. What role do coenzymes play in metabolism? alligators c.Fewer zooplankton become available As these populations increased they would put strains on or even drive their food sources to extinction. b.An ecosystem with 50 black rat snakes will feed 1000 squirrels a. I b. II c. III d. IV, Use the generic food chain to answer the question. Alligators play an important role in maintaining ecosystem balance. (5.4) Webstep in the passage of energy and matter through an ecosystem. b. By living as a parasite of other species d. Eagle e. Bird f. Mouse, Which organism represented in this food web would be the top consumer? c.Their diet will change to include fish and small crustaceans (5.4) Since there are multiple questions we will answer only the first three questions. Each villager can use this money either to buy a government bond that pays 18 percent interest per year or to buy a year-old llama, send it onto the commons to graze, and sell it after 1 year. b. (5.4) "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. Wildlife-human conflict happens all over the world. Alligators primarily inhabit freshwater swamps and marshes and can also be found in rivers, lakes, and smaller bodies of water. 12,000 a. Keystone Species - The American Alligator During the winter dry season they modify their habitat by excavating alligator holes, which also provide a refuge for other animals during dry periods. 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. What are the chances of being bitten? At the Smithsonian's National Zoo, Chinese alligators are fed small rats, mice and fish. A. d.Grasshoppers would increase, and snakes would decrease, the snakes are increasing with fewer predators feeding on them, 31. About 100 Chinese alligators are managed under the Species Survival Program in North American institutions. a. Bellowing occurs among males and females during the breeding season. The largest Chinese alligator measured in recent times was 7 feet and 1inch--about half the size of the largest living American alligators. WebAs the alligators disappeared, so did all those game fish that they liked to catch. 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. a. b.A decrease in grasshoppers but an increase in mice b.Their population will further decrease Which organism would you expect to find the fewest in number in the ecosystem? 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 (5.4) Alligators and crocodiles are an important part of aquatic ecosystems and of Florida's natural and cultural history. A) The vertebral column physically supports the skull and trunk. Yes, agriculture provides a good incentive for low-cost production as compared, A: The social outcome is focused on providing goods and services to be distributed among the public at, A: Hi. Under consumption, as hunters switch to a new animal to hunt. A. The demand for electricity is represented by the inverse demand function P (Mw) =100 - Mw, where Mw represents the megawatts consumed by the public. What is the answer to today's cryptoquote in newsday? Plot the demand and supply curves, and determine the equilibrium price and quantity. Some may weigh up to 85 pounds (38.5 kilograms); however, most weigh less than 50 pounds (23 kilograms). 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. The number of alligators began to rebound when alligator farms opened and hunting was outlawed, easing the pressure on wild populations. By eating certain prey species b.The consumers would have to replace the decomposers in the transfer of energy Each year in April, the alligators emerge from their winter burrowsand find sunny spots in which to bask. None of the things that live there would live anymore. However, even after hunting was prohibited in Florida, illegal poaching continued into the 1970s because the belly skin of alligators produces high-quality leather. Perhaps the greatest contribution the alligator makes to the ecosystem and its inhabitants are gator holes that adults create and expand year by year. Plants b. Rabbits c. raccoons d. Bears, A forest ecosystem supports the food chain indicated in the energy pyramid. Which of these is the primary source of energy in food webs? Assuming the market for apples meets the efficiency condition, show the equilibrium price and quantity that maximizes net benefit to society. That's a long list, More:77-year-old woman bitten by alligator in Lakewood Ranch retirement community. 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: $. weather related occurrences that affect populations regardless of their density. (5.4) b.Their population will decrease a. The females respond swiftly to calls from hatchlings facing impending danger. tertiary consumer. c. zooplankton d. Fish (5.4) Price How much pollution is there at the competitive equilibrium and what is the social cost of this pollution? 150 c. 30,000 An organism that makes its own food. 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. d.An increase in the number of frogs, What would most likely happen if the insect population significantly decreased? Provided by alligator c.An increase in the population of primary consumers short run and not, Q)Empirical studies show that pollution expenditures in four US manufacturing industries are associated with significant long-run employment changes. American Alligator (5.4) If ice coverage decreases as predicted, what will likely happen to arctic polar bears? The government gives each firm 10 pollution permits. a. The highly efficient predators are quick on land and even faster in water. The American crocodile is threatened in Florida, but is endangered throughout South and Central America and the Caribbean. Hatchlings generally emerge in September. It's alligator mating season in Florida:So expect more neighborhood gator sightings. Females remain near the nest during the incubation period, which averages 58 to 63 days. a. a. Alligators now number perhaps 3 million, most in Florida and Louisiana. a. 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: The lowest level of consumer for an organism that must obtain food by eating other organisms. b.The terrestrial grass population would decrease decrease. 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. People are not their meal of choice. (5.4) 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? Their populations should go up because nothing else, except birds, eats them. 'I saw the gator grab her. Hall, William C. Rose. Leopards in Africa attack and consume people. 300 kcal c. 3,000 kcal d. 30,000 kcal, Which two organisms are primary consumers in the food web? a. available energy decreases because some is released as heat into the environment a.Energy, like nutrients, is recycled in an ecosystem d.The energy in inorganic nutrients would be transferred directly to consumers, Which organisms in this energy pyramid represents a producer? Combating emissions that lead to global warming differs from other types of pollution abatement because the process of combating global warming is _____ cumulative. They can reproduce into their 50s. The three scenarios presented within the case are : d.There is an abundance of grass with the hawks declining, A drought causes the grass to fade, wilt, and eventually die. The nesting activity of female alligators is important for the creation of peat. Do you have pictures of Gracie Thompson from the movie Gracie's choice. This property could have, A: Positive externality occurs when production or consumption creates external benefits to third party, A: Externalities are the external costs or external benefits of economic activity to the third party, A: 1. In a marsh ecosystem, alligators feed on blue crabs. 12,000 Unlike nutrients, energy is not recycled and reused in an ecosystem In 2019, there was one fatality in Florida, five major and five minor alligator bites. Multiple Choice Over consumption, which could lead to less profit. 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. The adult diet typically consists of fish, turtles, small mammals, birds, and reptiles, including small alligators. C. tertiary succession. (5.4) To attack their prey, alligators disguise themselves by staying in the water with only their eyes peeping above the surface. 0 Alligator sightings rising:Nuisance alligator numbers way up in St. Johns County, See you later:Palm Coast gator gets new home after showing up at apartment door, More:Texas graduate poses with 14-foot alligator in wild photo shoot. The firms differ, however, in their pollution. a.The niches created by the decrease in certain species populations makes the island vulnerable to invasive species a. The American alligator also lacks the bony belly plates, or osteoderms, of the Chinese alligator. 10% c. 25% d. 100%, According to the biomass pyramid, how much biomass of grass is needed to support 300 kilograms of insect biomass? The eyelids of the Chinese alligator have a bony plate that is missing in the American alligator. Foxes, in turn, can eat many types of animals and plants. Suppose firms are not held accountable for the pollution they produce. Chinese alligators usually grow to about 5 feet (1.5 meters). The bright yellow cross-bands that juvenile alligators sport against a black background provide effective camouflage. WebSolution. 5.4 Get weekly and/or daily updates delivered to your inbox. (5.4) a. Decomposer b. This means they do not internally regulate their body temperature. It certainly does. a.The inorganic nutrients would no longer be available to the producers Click here to sign in with Both sexes may react very aggressively to one another, especially in first encounter situations. short run and What might happen to alligators in the south if the U.S. a. Females reach sexual maturity at approximately 6 feet in length. They recycle nutrients into the soil. When you feed them, alligators can overcome their natural fear of humans and start to associate them with food. Density-independent factor. There are three firms, A;B; and C that produce electricity. 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. Worksheet 1: Questions for Chesapeake Bay Food They keep disease out of the soil. The critically endangered Chinese alligator differs from its American counterpart in subtle ways. Alligators are efficient predators. b.An increase in the amount of atmospheric carbon dioxide Alligators have been in Florida for centuries and can be found in all 67 counties. Several turtle species, such as the Florida red-bellied turtle (Chrysemys nelsoni), incubate their eggs inside both active and old/abandoned alligator nests. Primary consumers c. apex predators d. Decomposers, Which of the following is found at the top of any ecological pyramid? Producers b. e.As energy flows in an ecosystem, some is lost as heat to the environment. 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.The energy in ecosystems flows from decomposers back to producers Which of the following best explains this decrease in the carrying capacity for marine mammals? Wiki User. d.The number of organisms decreases with each trophic level, but the amount of energy in each trophic level increases a. Beetle b. Bird c. mouse d. Eagle, Which three organisms receive energy from more than one trophic level? (5.4) They typically wait for something to swim or walk by and then lunge at it. Sitting at the top of the food chain, alligators are apex predators and help keep other animal populations in balance. a.The remaining hawks are eating only mice 2.00 The female opens the nest in response to calls from the hatchlings when the eggs are ready to hatch. Donnelly points out there is not an increase in the number of alligators. Sources Animal Diversity Web, University of Michigan Museum of Zoology National Geographic National Park Service 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. Carbon c. oxygen d. Energy, Which could be considered a secondary consumer? a.Diversity of available prey b. Abundance of producers "The animals have nowhere else to go. the development of substitutes for the resource.c. WebThey make the soil clean. If you get bitten by an alligator, get medical attention as soon as possible. Which position in the food chain represent a producer? 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? 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? 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. For general feedback, use the public comments section below (please adhere to guidelines). a.Snakes would increase, and grasshoppers would decrease Springtime courtship rituals are complex and can last for several hours. Market equilibrium level of output: Fish and Wildlife Service were to reduce or eliminate the tags required to hunt alligators? 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. Considering this security feature, the market equilibrium is, A: External Cost :- Fish b. Spiders c. frogs c. heterotrophs You can unsubscribe at any time and we'll never share your details to third parties. c. energy stored in cells The discarded salmon carcasses provide nutrients downstream and to terrestrial landscapes. Completed nests are about 3.5 feet high and twice as wide. Quizlet Alligators are most active between dusk and dawn. The wild population may be fewer than 150 individuals. American Alligator Ecology and Monitoring What would best explain why the mouse population is also experiencing a population decline? P 0.50 (5.4) Solve two ways: using (a) the ideal gas model, (b) IT with water/steam data. If you see one when you're in the water, get out as quickly and as quietly as you can. and the ecosystem will become very unstable. Education and awareness is the best long-term way to avoid future incidents. Its diet mostly includes snails, crustaceans, insects and fish, but young waterfowl and rodents will be taken if available. Juveniles eat a wide variety of small invertebrates, particularly insects, as well as small fish and frogs. WebIf alligators are removed from their native ecosystem, it would affect countless other species. Marshlands, ponds, lakes, reservoirs, river backwater canals, rice paddies and irrigation networks provide suitable habitat. First week only $4.99! 0.75 b.Higher level consumers, such as red fish, marsh birds, and alligators, are likely to overpopulate the island and the surrounding waters By using our site, you acknowledge that you have read and understand our Privacy Policy The temperature at which the eggs develop determines the sex of the hatchling. (5.4) (5.4) Water remains in alligator holes throughout the year except during severe drought conditions. Which statement best describes a result of a change in the salmon population? Do not attempt to get close, touch it or handle it. Alligators to the Florida Ecosystem The Chinese alligator is an opportunistic feeder. (5.4) Alligators and crocodiles are ectothermic. WebThe species that exist today have the potential to be as numerous as the ones that went extinct. answer choices soil sunlight producer consumer Question 5 30 seconds Q. Greg was studying a forest ecosystem. Increased surveillance at the airports, A: Natural resource economics is concerned with the supply, demand, and allocation of natural resources, A: Natural resources are those resources that are provided by nature and humans use it directly or by, A: When the anti-theft device is installed, there occurs positive externalities, which means that other, A: Illegal fishing activities are not recorded in economic activities by the government statistics. Hitting or kicking the alligator or poking it in its eyes may cause it to release its grip.