Since there are multiple questions we will answer only the first three questions. Income for llama can be calculated as follows. a.It is a game, A: a. 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. 300 kcal c. 3,000 kcal d. 30,000 kcal, Which two organisms are primary consumers in the food web? (5.4) b.Decreased aquatic vegetation Predators that are normally controlled by alligators can become uncontrollable if there is decline in the species. Wiki User. Mouse c. snake d. Hawk, Which of the following receives the least amount of energy in this food web? b.With fewer large fish, killer whales prey on more marine mammals Alligators and crocodiles are ectothermic. By killing the competitors of the other species I II III IV top consumer 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. (5.4) That just keeps you from getting farther away. (5.4) the development of substitutes for the resource.c. A: Negative production externality occurs when the action of a supplier or a producer affects the third, A: a. a.They will adapt their diet to include large fish, squid, and octopus Springtime courtship rituals are complex and can last for several hours. (5.4) a. c. decomposers d. Inorganic nutrients. Members are our strongest champions of animal conservation and wildlife research. c. apex predators d. decomposers, Which organism represented by the energy pyramid has the most available energy? d.The number of organisms decreases with each trophic level, but the amount of energy in each trophic level increases The nesting activity of female alligators is important for the creation of peat. The sun (5.4) a.Grass b. Grasshopper c. mouse d. Snake, Which organism in the food chain receives energy directly from a primary consumer? Chinese alligators dig extensive tunnels with multiple chambers, entrances and pools. 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. WebIf alligators are removed from their native ecosystem, it would affect countless other species. 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. Click here to sign in with By competing with a species it does not eat, The Florida manatee is a nearly extinct marine mammal that depends on sea grasses and other aquatic vegetation for food. a. Decomposers b. Multiple Choice Over consumption, which could lead to less profit. c.An increase in the population of primary consumers See answer (1) Best Answer. short run and not, Q)Empirical studies show that pollution expenditures in four US manufacturing industries are associated with significant long-run employment changes. Select all that apply? Given this food web, what factor allows the killer whale population to be stable even if marine mammal populations decrease? c. energy stored in cells Were it not for additional changes in the law controlling the movement of alligator hides, extinction may have been possible. a.An increase in algae growth When alligators seize prey they cannot easily overpower, they will often let go and retreat.". 33034-6733, Download the official NPS app before your next visit. Demands for. 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. Medical research advances and health news, The latest engineering, electronics and technology advances, The most comprehensive sci-tech news coverage on the web. Growing up to nearly 15 feet in length, the American alligator can take up residence in Florida's canals, lakes, rivers and swamps. (5.4) (5.4) %PDF-1.5 % Marginal private costs are below marginal social costs Getting away:Florida man survives in swamp for three days after losing arm to alligator. Alligators are usually afraid of people, rarely bite humans for reasons other than food, and are most dangerous in the water or by the shoreline. (5.4) 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. How can you avoid getting attacked by an alligator? 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 Leopards in Africa attack and consume people. The yellow banding fades away as the juveniles mature. The American alligator is a freshwater species, while the American crocodile can thrive in both freshwater and saltwater habitats. Zone2hasfewerfishpermile, A: .Externality is a situation when the consumption/production of a good/service affects people around, A: Tragedy of the commons:- It is an economic problem that occurs when individual only think about his, A: The marginal cost of emissions is the extra environmental impact incurred as a consequence of, A: The externality would result in the effect of another party on another party's production of good or, A: sd1 is long run domestic supply curve Young vocalize to bring the group together and maintain its cohesion, while adults respond to juvenile distress calls. 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. b. producers a.The fish population would increase Do you have pictures of Gracie Thompson from the movie Gracie's choice. However, even after hunting was prohibited in Florida, illegal poaching continued into the 1970s because the belly skin of alligators produces high-quality leather. A. 6 Which organism would you expect to find the fewest in number in the ecosystem? Adult male alligators occasionally reach 13 to 15 feet in length. a. Your feedback is important to us. 125 2 a. Blue crabs feed on salt meadow grass, shrimp, and detritus. b. If you get bitten by an alligator, get medical attention as soon as possible. 113 Considering this security feature, the market equilibrium is, A: External Cost :- In 2016, a toddler was killed by an alligator at Walt Disney World. Juveniles eat a wide variety of small invertebrates, particularly insects, as well as small fish and frogs. (5.4) 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. A critically endangered cousin of the American alligator, it is one of the few alligators outside of the Americas. a.An ecosystem that has 1000 squirrels must produce at least 800,000 acorns Quantity Supplied (per month) A sudden decrease in the number of blue crabs would reduce the food availability for alligators and food scarcity What might happen to alligators in the south if the U.S. Each year in April, the alligators emerge from their winter burrowsand find sunny spots in which to bask. a. During the summer months, adult salmon return to the rivers to spawn. What are the chances of being bitten? C) It allows for the movement of the skull and trunk. a. Grasshopper b. Neither your address nor the recipient's address will be used for any other purpose. Algae-laden waters produce greener skin, while tannic acid from overhanging trees can produce darker skin. Some may weigh up to 85 pounds (38.5 kilograms); however, most weigh less than 50 pounds (23 kilograms). 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. 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. Alligator bites can result in serious infection. In 2018, there was one fatality here, nine major alligator bites and one minor bite on people. What is the competitive equilibrium price and quantity in the market for electricity? "Anywhere there is standing water, an alligator might be found," the FWC said in a statement to USA TODAY. hbbd```b``"jzD2H0;LIq0&i D~K&30 @W?c[ m!F a. "We are developing in wild places that are home to alligators, coral snakes, rattle snakes and other animals that could harm us," Donnelly said. 5 Discuss the impact on the: 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? 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 American crocodile is threatened in Florida, but is endangered throughout South and Central America and the Caribbean. 1 Primary consumers First week only $4.99! b.The snakes are increasing with fewer predators feeding on them 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. C. A. Bridges is a Digital Producer for the USA TODAY Network, working with multiplenewsrooms across Florida. short run and a. I b. II c. III d. IV, Which of the following best characterizes the top consumer of this food chain (5.4) d. Aquatic vegetation e. Insects c. The minnow, the salmon, and the grizzly bear a.With fewer large fish, marine mammals feed on more small fish (5.4) the ecosystem would collapse because an alligator eats fish right? answer choices soil sunlight producer consumer Question 5 30 seconds Q. Greg was studying a forest ecosystem. 8,000 In the years immediately after a fire, a forest will experience A. primary succession. Price 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. A) The element is more readily oxidized than hydrogen. ecosystems. Both sexes tend to be smaller in South Florida. An alligator can go through 3,000 teeth in a lifetime. In the pond community, the frog population is drastically reduced by this infection. The Chinese alligator is an opportunistic feeder. 2 kilograms b. googletag.cmd.push(function() { googletag.display('div-gpt-ad-1449240174198-2'); }); FIU biologists Mike Heithaus and Maureen Donnelly offer insight on this native predator. b.A decrease in grasshoppers but an increase in mice 0 Can you guess what gar like to eat? b.Higher level consumers, such as red fish, marsh birds, and alligators, are likely to overpopulate the island and the surrounding waters c.The consumers would get their energy directly from the sun Quantity demanded (per month) Several turtle species, such as the Florida red-bellied turtle (Chrysemys nelsoni), incubate their eggs inside both active and old/abandoned alligator nests. 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. This investigation provides valuable insight into hatchling success and nest site selection, as well as impacts from flooding, predation, and infertility. The wild population may be fewer than 150 individuals. In late summer, grizzly bears consume large amounts of salmon that provide the nutrition and fat necessary for the bears to survive winter hibernation. This means that if the species were to disappear from the ecosystem, no other species would be able to fill its ecological niche. a.An increase in all species scavenger. Alligators are everywhere:Alligators can be found in every Florida county. 1.25 Manatees live in warm, shallow coastal waters. Chinese alligators can live up to 70 years in human care. 2.00 By living as a parasite of other species b.They are producers A cubic foot of carbon monoxide pollutes the environment, and has a social cost of $2.5. The snout of an alligator is characteristically broad, although the shape can vary slightly among populations and individuals. When danger threatens, she will rapidly return to the nest to protect her eggs. Do not attempt to get close, touch it or handle it. 12,000 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. a. b.The water snakes eat more fish 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. 12,000 a.The remaining hawks are eating only mice (5.4) Which of the following most likely describes the effect of the drought on this food chain? Social life begins before hatching, as nest mates communicate egg to egg and with parents who open the egg chamber when synchronized hatching begins. This answer is: This document is subject to copyright. C) The element is more readily oxidized than most other elements. c. heterotrophs What is wrong with reporter Susan Raff's arm on WFSB news? Q1: What is the competitive price of a permit to emit 1 cubic foot of carbon monoxide? In addition to killing mosquitos, the pesticide kills soil-dwelling small crustaceans, such as fiddler crabs, krill, and shrimp. Simply raising awareness about this species can contribute to its overall protection. Amphibians are good indicators of significant environmental changes. If you take photos, do it from a safe distance, at least 30 feet. The food chain will be disrupted if the grasshopper is removed b. The government gives each firm 10 pollution permits. 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. Alligators are efficient predators. 4,000 the development of complements for the resource.b. b.Available energy increases because more organisms are consumed at higher trophic levels 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. (5.4) The hawk population in this grassland ecosystem is suffering losses due to a poxvirus rapidly spreading disease among the hawks. Your email address is used only to let the recipient know who sent the email. 1.00 a.The niches created by the decrease in certain species populations makes the island vulnerable to invasive species Under consumption, as hunters switch to a new animal to hunt. (5.4) c.Marsh grasses and other producers are more likely to mutate and form new species Anyone who encounters one and believes it may pose a threat, should contact the Florida Fish and Wildlife Conservation Commission. The sound of dogs barking and playing may even draw an alligator to the area. D) The element is more readily reduced than most other elements. (5.4) The bright yellow cross-bands that juvenile alligators sport against a black background provide effective camouflage. 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. Wetlands in the Philippines suffer from pollution, flow modification, habitat degradation, invasive species, and over-exploitation. The mating system is polygamous, as a male may breed with more than one female. What would happen if the American alligator went extinct? If the oyster population was reduced, what would you expect to happen to the quantity of microbes, floating algae and detritus? 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. Webstep in the passage of energy and matter through an ecosystem. 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. Provided by a. Bellowing occurs among males and females during the breeding season. Market equilibrium level of output: d. Bears, As a general rule of thumb, about how much energy contained in the plants is available to the raccoons? a. P 0.50 and the ecosystem will become very unstable. a. a. State laws prohibit feeding, harassing, killing or possessing them. 14. Who makes the plaid blue coat Jesse stone wears in Sea Change? FL It is illegal to feed or provoke alligators as well as all other wildlife. 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. 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? Comment. What will most likely happen to the florida manatee if pollution kills sea grasses and aquatic vegetation? That's a long list, More:77-year-old woman bitten by alligator in Lakewood Ranch retirement community. 106 0 obj <> endobj Fun Fact As an American alligators teeth wear down or fall out, new ones come in. a. a.They will migrate further north to find food As alligators disappeared from the food chain, being at the highest trophic level, there would be a population increase in their prey such as fish, birds, amphibians, and other animals. 116 85-year-old woman defending her dog from an alligator attack, November 2021 report from the Florida Fish and Wildlife. a.The fish eat infected insects Which statement best describes a result of a change in the salmon population? (5.4) Suppose that government allows firms to trade their permits to emit carbon monoxide. Alligators are an important part of the Everglades ecosystem and are considered a keystone species of the park. A. sd2 domestic supply curve Never swim outside posted swimming areas. When the fox dies, bacteria break down its body, returning it to the soil where it provides nutrients for plants like grass. William J. Baumol, Alan S. Blinder, John L. Solow. Over consumption, which could lead to extinction. During the winter dry season they modify their habitat by excavating alligator holes, which also provide a refuge for other animals during dry periods. d.There is an abundance of grass with the hawks declining, A drought causes the grass to fade, wilt, and eventually die. Carbon c. oxygen d. Energy, Which could be considered a secondary consumer? Multiple Choice Over consumption, which could lead to less profit. The three scenarios presented within the case are : (5.4) WebThe species that exist today have the potential to be as numerous as the ones that went extinct. The species that exist today were those that were not wiped out when the dinosaurs died. B) The element is more readily reduced than hydrogen. The food chain will be disrupted if the grasshopper is removed and the ecosystem will become very unstable. When you become a member, you also receive exclusive benefits, like special opportunities to meet animals, discounts at Zoo stores and more. a.Producers b. What does a negative standard reduction potential mean about a given element? Introduction: Eggs that incubate at temperatures ranging from 90 to 93 degrees Fahrenheit hatch as males, while those that incubate from 82 to 86 degrees hatch as females. c. 300 kilograms d. 5000 kilograms, Which of the following make up the second trophic level of the biomass pyramid? 30 kcal b. Primary consumers c. apex predators d. Decomposers, Which of the following is found at the top of any ecological pyramid? b.The terrestrial grass population would decrease Alligators typically breed and look for new habitats inthe spring and summertime,meaning there could be an increase in alligator activity during those months. For general inquiries, please use our contact form. 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. (5.4) "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. (5.4) Question 4 30 seconds Q. 4 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.Frogs b.Terrestrial grasses Apart from any fair dealing for the purpose of private study or research, no c.Seabirds and sea turtles begin to compete with the marine mammals by preying on more small fish 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. d. Decomposers, Which is "lost" to the environment as heat making it unavailable for recycling? 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. a.An increase in the amount of energy received from the sun c. zooplankton d. Fish part may be reproduced without the written permission. The critically endangered Chinese alligator differs from its American counterpart in subtle ways. long run and 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. It certainly does. Summary of how water-management changes associated with Everglades restoration are expected to affect Most alligator and crocodile populations are in trouble. c.They help to recycle nutrients back into the soil By digging holes and leaving trails throughout marshes, they create habitats for fish and marine invertebrates. 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. Fish and Wildlife Service were to reduce or eliminate the tags required to hunt alligators? (2) Efficient level of output. b.Their population will decrease (5.4) Sources Animal Diversity Web, University of Michigan Museum of Zoology National Geographic National Park Service Rather, Florida's population growth and demand for waterfront properties may be the cause for increased sightings. Swim only during daylight hours. What are the chances of being bitten? long run and not As water depth decreases, prey becomes concentrated in alligator holes, alligators capture more prey, and body condition increases. Number of llamas on the commons. b.The consumers would have to replace the decomposers in the transfer of energy Under consumption, which could lead to less profit. d.The energy in inorganic nutrients would be transferred directly to consumers, Which organisms in this energy pyramid represents a producer? b.Abundant salmon will harm river nutrients and terrestrial landscapes Plants b. Rabbits c. raccoons d. Bears, A forest ecosystem supports the food chain indicated in the energy pyramid. Completed nests are about 3.5 feet high and twice as wide. Firm A currently dumps 223 tons of chemicals into the local river. Alligators and crocodiles are an important part of aquatic ecosystems and of Florida's natural and cultural history. WebRemoval of a predator causes overpopulation of prey. As energy flows in an ecosystem, some is lost as heat to the environment. 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. a.The inorganic nutrients would no longer be available to the producers a.Fewer salmon will allow bears to the thrive and produce more offspring a. Grass b. Insects c. rats Solve two ways: using (a) the ideal gas model, (b) IT with water/steam data. At the Smithsonian's National Zoo, Chinese alligators are fed small rats, mice and fish. 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. Alligators can be found in practically all fresh and brackish water and sometimes in salt water. A) The vertebral column physically supports the skull and trunk. "If you should be attacked, fight like your life depends on it because it does," Mazzoti said. What's New at the Smithsonians National Zoo This Summer? Its diet mostly includes snails, crustaceans, insects and fish, but young waterfowl and rodents will be taken if available. Rising prices for a natural resource stimulatea. and Terms of Use. (5.4) 150 c. 30,000 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. 144 0 obj <>stream Multiple Choice Figure 1. In their absence, dead organic matter will pile up and nutrient recycling will be inhibited. They remove extra water from the soil. Even outside their dens they can tolerate limited periods of freezing conditions. Firm B currently dumps 192 tons of chemicals into the local river. How many kilocalories would you expect to be represented by X, the amount of energy contained in the mice? The Chinese alligator is the only member of the eight species in the Alligatoridae family to exist outside of the Americas. (5.4) All rights reserved. Over time, human practices like agriculture and development caused many species to become threatened Do Eric benet and Lisa bonet have a child together? Feeding activity is governed by water temperature, and foraging ceases if the temperature drops below 68 to 73 degrees Fahrenheit. Each of these living things can be a part of multiple food chains. But they can move very quickly for short distances on land and they can lunge. 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? Producers b. d.The energy in ecosystems flows from decomposers back to producers (5.4) If alligators are removed from their native ecosystem, it would affect countless other species. As these populations increased they would put strains on or even drive their food sources to extinction. The demand for electricity is represented by the inverse demand function P (Mw) =100 - Mw, where Mw represents the megawatts consumed by the public. 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. The minnow and the salmon Fish and Wildlife Service were to reduce or eliminate the tags required to hunt alligators?