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. (5.4) 1% b. State law also prohibits killing, harassing or possessing alligators except under permit. 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. Comment. 0 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. ", 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. Solve two ways: using (a) the ideal gas model, (b) IT with water/steam data. "If you should be attacked, fight like your life depends on it because it does," Mazzoti said. Provided by a.Diversity of available prey b. Abundance of producers Select all that apply. 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. 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. That's a long list, More:77-year-old woman bitten by alligator in Lakewood Ranch retirement community. 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. Plants b. Rabbits c. raccoons Alligators primarily inhabit freshwater swamps and marshes and can also be found in rivers, lakes, and smaller bodies of water. Mouse c. snake d. Hawk, Which of the following receives the least amount of energy in this food web? Question 4 30 seconds Q. As water depth decreases, prey becomes concentrated in alligator holes, alligators capture more prey, and body condition increases. The Chinese alligator is the only member of the eight species in the Alligatoridae family to exist outside of the Americas. 0.75 Intermediate temperature ranges yield a mix of both male and female hatchlings. a. Elephants in India destroy crops and homes. Plot the demand and supply curves, and determine the equilibrium price and quantity. This audio file of an American alligator bellowing was recorded at Shark Valley on August 24, 2008. Hitting or kicking the alligator or poking it in its eyes may cause it to release its grip. The government gives each firm 10 pollution permits. 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 (1) Market equilibrium level of output (5.4) Here, a firm's cost and benefit of pollution are graphed. Upon arrival in the water, she opens her jaws and shakes her head gently from side to side, encouraging the hatchlings to swim out. A. c. decomposers d. carnivores, Use the generic food chain to answer the question. Of course, many different animals eat grass, and rabbits can eat other plants besides grass. Bellowing occurs among males and females during the breeding season. Suppose that government allows firms to trade their permits to emit carbon monoxide. Chinese alligators dig extensive tunnels with multiple chambers, entrances and pools. b.Decreased aquatic vegetation If you see one when you're in the water, get out as quickly and as quietly as you can. secondary consumer. d. Foxes, a. an ecosystem that has 1000 squirrels must produce at least 800,000 acorns Feeding activity is governed by water temperature, and foraging ceases if the temperature drops below 68 to 73 degrees Fahrenheit. c. 300 kilograms d. 5000 kilograms, Which of the following make up the second trophic level of the biomass pyramid? and the ecosystem will become very unstable. 4,000 e. Aquatic vegetation f. Water snakes, A fungal infection can kill amphibians such as frogs. (5.4) 1.50 0 C) The element is more readily oxidized than most other elements. What is the answer to today's cryptoquote in newsday? "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. Get weekly and/or daily updates delivered to your inbox. 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. This species digs extensiveearthen tunnels with multiple chambers, entrances and pools. 'Terrifying ordeal from the neighbor who witnessed fatal alligator encounter, 'Alligator bite incident':Wildlife officials investigate woman's death at golf community. If you take photos, do it from a safe distance, at least 30 feet. They remove extra water from the soil. By using our site, you acknowledge that you have read and understand our Privacy Policy a. %%EOF short run and What is the competitive equilibrium price and quantity in the market for electricity? (5.4) It's smaller, the head is more robust and its snout is slightly upturned. Most alligator and crocodile populations are in trouble. 33034-6733, Download the official NPS app before your next visit. Snake b. Bird c. eagle d. Beetle, Which two organisms in this food web receive energy directly from the beetle? (5.4) It is not only a really bad idea to feed or entice an alligator, it's illegal in Florida. 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. Can you guess what gar like to eat? a.An increase in algae growth 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. There are three firms, A;B; and C that produce electricity. Under consumption, which could lead to less profit. 5.4 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. what would happen if the decomposers were removed from the b.The water snakes eat more fish d. Decomposers, Which is "lost" to the environment as heat making it unavailable for recycling? Alligators like to feast on a variety amphibians, birds, fish, reptiles and small mammals, including raccoons and rabbits. c.Seabirds and sea turtles begin to compete with the marine mammals by preying on more small fish State laws prohibit feeding, harassing, killing or possessing them. d.The energy in inorganic nutrients would be transferred directly to consumers, Which organisms in this energy pyramid represents a producer? WebAmerican alligators were once threatened by extinction, but after being placed on the endangered species list in 1967, their population increased. 2,000 a.Energy, like nutrients, is recycled in an ecosystem Chinese alligators can live up to 70 years in human care. Plants b. Rabbits c. raccoons d. Bears, A forest ecosystem supports the food chain indicated in the energy pyramid. The nesting activity of female alligators is important for the creation of peat. When you feed them, alligators can overcome their natural fear of humans and start to associate them with food. 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. Read more articles by Chris hereand follow him on Twitter at@cabridges. (5.4) Select one: 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. Consumers 12,000 Fish and Wildlife Service were to reduce or eliminate the tags required to hunt alligators? b.They are producers d.They are an important food source for secondary consumers, available energy decreases because some is released as heat into the envioronment, As energy moves through a food web, what happens to the amount of available energy at each trophic level? See answer (1) Best Answer. 10 b. Amphibians, unlike people, breathe at least partly through their skin, which is constantly exposed to everything in their environment. e.The number of organisms supported by each trophic level is unaffected if the number of organisms above or below it changes, grasshoppers would increase and snakes would decrease, What would most likely be the result if a pesticide is used to reduce the number of mice? endstream endobj startxref The eyelids of the Chinese alligator have a bony plate that is missing in the American alligator. a. Fish and Wildlife Service were to reduce or eliminate the tags required to hunt alligators? short run and not, Q)Empirical studies show that pollution expenditures in four US manufacturing industries are associated with significant long-run employment changes. To attack their prey, alligators disguise themselves by staying in the water with only their eyes peeping above the surface. Small animals would outbreed the food supply. "Anywhere there is standing water, an alligator might be found," the FWC said in a statement to USA TODAY. 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. Decomposers have a very significant role in a food web. Plant b. Herbivore A: Negative production externality occurs when the action of a supplier or a producer affects the third, A: a. 119 WebIf alligators are removed from their native ecosystem, it would affect countless other species. Your email address is used only to let the recipient know who sent the email. 10,000 a.The niches created by the decrease in certain species populations makes the island vulnerable to invasive species 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. c.Available energy remains the same even though biomass decreases at each trophic level 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. 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. Is Brooke shields related to willow shields? In 2016, a toddler was killed by an alligator at Walt Disney World. I II III IV top consumer Alligators are apex predators. Do you have pictures of Gracie Thompson from the movie Gracie's choice. The abatement costs of one ton of pollution is $173 for Firm A and $76 for Firm B. a.They are an important food source for primary consumers WebAs the alligators disappeared, so did all those game fish that they liked to catch. Give them their space and never feed them because this will make them less afraid of people. Water b. (5.4) Which of the following best explains the declining fish population? E) It absorbs stresses produced by walking, running, and lifting. Growing up to nearly 15 feet in length, the American alligator can take up residence in Florida's canals, lakes, rivers and swamps. 6,000 10% c. 25% d. 100%, According to the biomass pyramid, how much biomass of grass is needed to support 300 kilograms of insect biomass? Mostly, avoid them in the first place. sd2 domestic supply curve 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. Members are our strongest champions of animal conservation and wildlife research. Which position in the food chain represent a producer? a.Producers b. Soon, the fish population also declines. Sources Animal Diversity Web, University of Michigan Museum of Zoology National Geographic National Park Service Neither your address nor the recipient's address will be used for any other purpose. Evaluate the work, in kJ/kg. 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. long run and not 12,000 How many kilocalories would you expect to be represented by X, the amount of energy contained in the mice? All of the above are correct. b. Breeding birds use alligators to protect nests from raccoons, opossums, New measurements suggest rethinking the shape of the Milky Way galaxy, Astronomers discover two super-Earths orbiting nearby star, Developing multiple concentration gradients for single celllevel drug screening, Solving the mystery of protein surface interactions with geometric fingerprints, Second ring found around dwarf planet Quaoar, Science X Daily and the Weekly Email Newsletter are free features that allow you to receive your favorite sci-tech news updates in your email inbox. 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. c.The frog population would decrease The snout of an alligator is characteristically broad, although the shape can vary slightly among populations and individuals. (5.4) a. 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? (5.4) When the fox dies, bacteria break down its body, returning it to the soil where it provides nutrients for plants like grass. 1.75 C. tertiary succession. In the pond community, the frog population is drastically reduced by this infection. a.Snakes would increase, and grasshoppers would decrease 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. Do Eric benet and Lisa bonet have a child together? What's New at the Smithsonians National Zoo This Summer? Which organism would you expect to find the fewest in number in the ecosystem? About 100 Chinese alligators are managed under the Species Survival Program in North American institutions. a. Pw1 observed world price The demand for electricity is represented by the inverse demand function P (Mw) =100 - Mw, where Mw represents the megawatts consumed by the public. (5.4) c.Unlike nutrients, energy is not recycled and reused in an ecosystem In addition to killing mosquitos, the pesticide kills soil-dwelling small crustaceans, such as fiddler crabs, krill, and shrimp. answer choices soil sunlight producer consumer Question 5 30 seconds Q. Greg was studying a forest ecosystem. 144 0 obj <>stream d. Marginal external costs are zero. (5.4) It is illegal to feed or provoke alligators as well as all other wildlife. c.Their habitat would shift further south Alligators are an important part of the Everglades ecosystem and are considered a keystone species of the park. d.The energy in ecosystems flows from decomposers back to producers What would be the total cost of reducing pollution, if the firms are allowed to trade permits between each other? For general feedback, use the public comments section below (please adhere to guidelines). Manatees live in warm, shallow coastal waters. Dentition includes blunt teeth adapted well to crushing shelled animals. 8,000 b. producers Alligators now number perhaps 3 million, most in Florida and Louisiana. Juveniles eat a wide variety of small invertebrates, particularly insects, as well as small fish and frogs. b.Available energy increases because more organisms are consumed at higher trophic levels (5.4) Chinese alligators are found in slow-moving freshwater rivers and streams, including lakes, ponds and swamps. What will most likely happen to the florida manatee if pollution kills sea grasses and aquatic vegetation? Please select the most appropriate category to facilitate processing of your request. Females mature at about four to five years. (5.4) Springtime courtship rituals are complex and can last for several hours. Operant conditioning. C. A. Bridges is a Digital Producer for the USA TODAY Network, working with multiplenewsrooms across Florida. the development of externalities from the resource.d. Unlike nutrients, energy is not recycled and reused in an ecosystem (5.4) d.There is an abundance of grass with the hawks declining, A drought causes the grass to fade, wilt, and eventually die. 116 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. How would the ecosystem be affected if grasshoppers were removed? What might happen to alligators in the south if the U.S. Mark Woods:In Florida, what's more dangerous than paddling with gators? Sitting at the top of the food chain, alligators are apex predators and help keep other animal populations in balance. ecosystems. 10,000 5 Never swim outside posted swimming areas. As part of this research, nearly 850 nests were surveyed during this time, the majority of which were located in Shark River Slough. (5.4) Predators that are normally controlled by alligators can become uncontrollable if there is decline in the species. a.They will adapt their diet to include large fish, squid, and octopus (5.4) Start your trial now! In 2020, there were eight major and four minor gator bites here. (5.4) By eating certain prey species Fish b. Spiders c. frogs b.An increase in salmon birthrate and survival What would most likely happen to the food web if there were a sudden decrease in the number of blue crabs? 6,000 Their populations should go up because nothing else, except birds, eats them. Under consumption, as hunters switch to a new animal to hunt. The hawk population in this grassland ecosystem is suffering losses due to a poxvirus rapidly spreading disease among the hawks. 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. Alligators can be found in every Florida county. The American alligator also lacks the bony belly plates, or osteoderms, of the Chinese alligator. a.Increased terrestrial grass growth Assuming the market for apples meets the efficiency condition, show the equilibrium price and quantity that maximizes net benefit to society. b.With fewer large fish, killer whales prey on more marine mammals a. 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. 2,000 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? Females reach sexual maturity at approximately 6 feet in length. 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? Foxes, in turn, can eat many types of animals and plants. State laws prohibit feeding, harassing, killing or possessing them. b.Plants get energy from the animals that consume them Heres what we could expect to lose with the eradication of alligators: Alligators Impact on the Florida Ecosystem: 4 problems wed face without them. None of the things that live there would live anymore. 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? But they can move very quickly for short distances on land and they can lunge. Social life begins before hatching, as nest mates communicate egg to egg and with parents who open the egg chamber when synchronized hatching begins. Firms do not make profits of any kind d. Bears, As a general rule of thumb, about how much energy contained in the plants is available to the raccoons? Although these animals become easy prey for alligators and other predators such as wading birds, the value of the refuge outweighs the risk. d.An increase in the number of frogs, What would most likely happen if the insect population significantly decreased? What might happen to alligators in the south if the U.S. I II III IV top consumer tertiary consumer. c. energy stored in cells a. Decomposers b. A. (5.4) Market equilibrium level of output: How would the change in these small consumers most likely affect the island ecosystem? This means they do not internally regulate their body temperature. 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. What are the chances of being bitten? 1 b.The snakes are increasing with fewer predators feeding on them b.Higher level consumers, such as red fish, marsh birds, and alligators, are likely to overpopulate the island and the surrounding waters Wetlands in the Philippines suffer from pollution, flow modification, habitat degradation, invasive species, and over-exploitation. In the years immediately after a fire, a forest will experience A. primary succession. Even outside their dens they can tolerate limited periods of freezing conditions. Some may weigh up to 85 pounds (38.5 kilograms); however, most weigh less than 50 pounds (23 kilograms). Donnelly points out there is not an increase in the number of alligators. 30 kcal b. 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. c.An increase in nutrients carried downstream (5.4) WebThey make the soil clean. If you get bitten by an alligator, get medical attention as soon as possible. 4,000 decrease. (5.4) If the oyster population was reduced, what would you expect to happen to the quantity of microbes, floating algae and detritus? a.The inorganic nutrients would no longer be available to the producers A cubic foot of carbon monoxide pollutes the environment, and has a social cost of $2.5. (5.4) The highly efficient predators are quick on land and even faster in water. d. Eagle e. Bird f. Mouse, Which organism represented in this food web would be the top consumer? The species that exist today were those that were not wiped out when the dinosaurs died. 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. 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. In 2019, there was one fatality in Florida, five major and five minor alligator bites. a. 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. Over consumption, which could lead to extinction. Since there are multiple questions we will answer only the first three questions. P 0.50 Share the story of this animal with others. 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 What would happen if the American alligator went extinct? part may be reproduced without the written permission. "Anytime you show up next to water, you're assuming some risk Don't tempt it. Under consumption, as hunters switch to a new animal to hunt. An organism that makes its own food. weather related occurrences that affect populations regardless of their density.