(5.4) The firms differ, however, in their pollution. Firms do not make profits of any kind 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? However, we do not guarantee individual replies due to the high volume of messages. a. American Alligator Nesting and Reproductive Success in Everglades National Park 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. "The animals have nowhere else to go. I II III IV top consumer ecosystems. Keep an eye on children when they are playing in or around water, and do not allow pets to swim, exercise or drink or near waters that may contain alligators. Females reach sexual maturity at approximately 6 feet in length. Homestead, During the winter dry season they modify their habitat by excavating alligator holes, which also provide a refuge for other animals during dry periods. A cubic foot of carbon monoxide pollutes the environment, and has a social cost of $2.5. In areas where bobcats and wolves neared extinction, the deer population increased exponentially. 2023 www.desmoinesregister.com. C. A. Bridges is a Digital Producer for the USA TODAY Network, working with multiplenewsrooms across Florida. This answer is: d.Grasshoppers would increase, and snakes would decrease, the snakes are increasing with fewer predators feeding on them, 31. 6,000 A village has six residents, each of whom has accumulated savings of $100. That was when they realized that the alligators' favorite food, a large fish called a gar, had had a population explosion with no alligators to keep their numbers down. The food chain will be disrupted if the grasshopper is removed Zone2hasfewerfishpermile, A: .Externality is a situation when the consumption/production of a good/service affects people around, A: Tragedy of the commons:- It is an economic problem that occurs when individual only think about his, A: The marginal cost of emissions is the extra environmental impact incurred as a consequence of, A: The externality would result in the effect of another party on another party's production of good or, A: sd1 is long run domestic supply curve and the ecosystem will become very unstable. WebSolution. It, A: Environmental issues have to be addressed through public intervention even if it is taking place in, A: The tragedy of the commons situation in economics can be understood when the individuals neglect the, A: F1=250(x1)-4(x1)2wherexiisthenumberofboatsfishingthere. b. Simply raising awareness about this species can contribute to its overall protection. b.Their population will decrease The eyelids of the Chinese alligator have a bony plate that is missing in the American alligator. What might happen to alligators in the south if the U.S. Although these animals become easy prey for alligators and other predators such as wading birds, the value of the refuge outweighs the risk. Marginal private costs are below marginal social costs Amphibians are good indicators of significant environmental changes. The bright yellow cross-bands that juvenile alligators sport against a black background provide effective camouflage. This species digs extensiveearthen tunnels with multiple chambers, entrances and pools. hmkFB}~#l6l+qsbZf~;Ke`RY ng**#s^2}5:I'::L`J LR5)ge$SbZ(h c.Grasses would decrease, and snakes would increase Alligator bites can result in serious infection. Primary consumers How would the change in these small consumers most likely affect the island ecosystem? The more we develop, the more likely we are to see this type of conflict.". Primary consumers c. apex predators d. Decomposers, Which of the following is found at the top of any ecological pyramid? (5.4) What might happen to alligators in the south if the U.S. B. secondary succession. Select all that apply? What are the chances of being bitten? August 2001, 40001 State Road 9336 b.Available energy increases because more organisms are consumed at higher trophic levels 150 c. 30,000 Springtime courtship rituals are complex and can last for several hours. 123 0 obj <>/Filter/FlateDecode/ID[<93E991B1199D6F4E9357DDCAA54428F6><343B39741742DF4D8DDE3981286D7CE2>]/Index[106 39]/Info 105 0 R/Length 92/Prev 132464/Root 107 0 R/Size 145/Type/XRef/W[1 3 1]>>stream Fun Fact As an American alligators teeth wear down or fall out, new ones come in. Algae-laden waters produce greener skin, while tannic acid from overhanging trees can produce darker skin. a.They will adapt their diet to include large fish, squid, and octopus The larger opossum population will leave fewer energy storage molecules for all other populations in the ecosystem, so the fox population will reproduce less. a. Which of the following most likely describes the effect of the drought on this food chain? I II III IV top consumer None of the things that live there would live anymore. Upon arrival in the water, she opens her jaws and shakes her head gently from side to side, encouraging the hatchlings to swim out. (5.4) (5.4) Market equilibrium level of output: Alligators tend to be shy, but they are still predators. b.An increase in the amount of atmospheric carbon dioxide 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. Over consumption, which could lead to extinction. (1) Market equilibrium level of output a. 2 kilograms b. Females remain near the nest during the incubation period, which averages 58 to 63 days. E) It absorbs stresses produced by walking, running, and lifting. It is not only a really bad idea to feed or entice an alligator, it's illegal in Florida. The juveniles aggregate in pods that may include hatchlings from other nests and remain close to the mother typically as long as one year, but sometimes for two or even three years. Which of the following best explains this decrease in the carrying capacity for marine mammals? Hatchlings grow rapidly, especially during their first four years, sometimes averaging more than 1 foot of growth for each year of life. 2,000 Both sexes tend to be smaller in South Florida. If you see one when you're in the water, get out as quickly and as quietly as you can. Apart from any fair dealing for the purpose of private study or research, no Suppose that government allows firms to trade their permits to emit carbon monoxide. Intermediate temperature ranges yield a mix of both male and female hatchlings. 6 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? 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. Amphibians, unlike people, breathe at least partly through their skin, which is constantly exposed to everything in their environment. Did Billy Graham speak to Marilyn Monroe about Jesus? Most alligator and crocodile populations are in trouble. Provided by d. Marginal external costs are zero. Multiple Choice Over consumption, which could lead to less profit. secondary consumer. Fish and Wildlife Service were to reduce or eliminate the tags required to hunt alligators? When the fox dies, bacteria break down its body, returning it to the soil where it provides nutrients for plants like grass. 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. a. Bird b. Squirrel c. snake d. Mouse e. Eagle f. seeds, Which of the following makes up the base of all ecological pyramids? Where are Pisa and Boston in relation to the moon when they have high tides? Alligator activity also picks up in the spring and summertime, when they typically breed and look for new habitats. 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. short run and And when they attack, they make news. 12,000 (5.4) d. Foxes, a. an ecosystem that has 1000 squirrels must produce at least 800,000 acorns 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. a.The fish population would increase Blue crabs feed on salt meadow grass, shrimp, and detritus. Producers b. 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. benefit to consumer = area between, A: Answer: Each of these living things can be a part of multiple food chains. Click here to sign in with To attack their prey, alligators disguise themselves by staying in the water with only their eyes peeping above the surface. The demand for electricity is represented by the inverse demand function P (Mw) =100 - Mw, where Mw represents the megawatts consumed by the public. An alligator can go through 3,000 teeth in a lifetime. 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. Decomposer b. D) The element is more readily reduced than most other elements. 10 b. "If you should be attacked, fight like your life depends on it because it does," Mazzoti said. Get weekly and/or daily updates delivered to your inbox. 1.75 Q1: What is the competitive price of a permit to emit 1 cubic foot of carbon monoxide? 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. (5.4) 1.00 If you see one, go the other way. 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? 1 Producers 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. Income for llama can be calculated as follows. a. Alligators and Hydrology Water depths and durations in the Everglades have been transformed by drainage and impoundment. 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? 3 By killing the competitors of the other species WebOpossums and foxes do not eat each other, so the number of births and deaths in the fox population will stay the same. Over consumption, which could lead to less profit. Mouse c. snake d. Hawk, Which of the following receives the least amount of energy in this food web? Over consumption, which could lead to extinction. (5.4) 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 Chinese alligator is an opportunistic feeder. d. Nuclear power plants, Algae receive energy directly from the sun which makes them which of the following? c. apex predators d. decomposers, Which organism represented by the energy pyramid has the most available energy? But they can move very quickly for short distances on land and they can lunge. What's New at the Smithsonians National Zoo This Summer? Which organisms most directly provide inorganic nutrients for the producers to use? Which of these is the primary source of energy in food webs? About 100 Chinese alligators are managed under the Species Survival Program in North American institutions. Select all that apply. Consumers Mark Woods:In Florida, what's more dangerous than paddling with gators? c.Available energy remains the same even though biomass decreases at each trophic level b. Alligators primarily inhabit freshwater swamps and marshes and can also be found in rivers, lakes, and smaller bodies of water. The highly efficient predators are quick on land and even faster in water. quantity = 12 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. what would happen if the decomposers were removed from the The cages and ponds not only keep the seafood from swimming away but also provide aquaculturists with strong property rights over their animals. Give them their space and never feed them because this will make them less afraid of people. In late summer, grizzly bears consume large amounts of salmon that provide the nutrition and fat necessary for the bears to survive winter hibernation. Alligators and crocodiles are ectothermic. c.Marsh grasses and other producers are more likely to mutate and form new species b.The consumers would have to replace the decomposers in the transfer of energy Mouse c. snake d. Hawk, Which organism in the food chain is a secondary consumer? (5.4) As these populations increased they would put strains on or even drive their food sources to extinction. part may be reproduced without the written permission. As a result, the marine mammal population also decreases. c. consumers d. Scavengers, Which type of organisms makes use of the lowest energy level? It is well understood that reproductive success is contingent on many factors, particularly hydrology. c. specialization of marine carnivores d. Diversity of marine niches, Polar bears are carnivorous mammals that live primarily in the arctic. c. Marginal private costs are above marginal social costs And how much electricity is produced after the permits are traded? 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. Decomposers have a very significant role in a food web. Plot the demand and supply curves, and determine the equilibrium price and quantity. Can you guess what gar like to eat? In 2019, there was one fatality in Florida, five major and five minor alligator bites. How would the ecosystem be affected if grasshoppers were removed? The discarded salmon carcasses provide nutrients downstream and to terrestrial landscapes. 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. d. Water snakes, terrestrial grasses and aquatic vegetation, Which organisms in the food web have the greatest amount of energy? People are not their meal of choice. 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. 8,000 Ecosystem can be directly affected by Deforestation. 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? 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 role do coenzymes play in metabolism? (5.4) a. I b. II c. III d. IV, Which of the following best characterizes the top consumer of this food chain (5.4) A) The vertebral column physically supports the skull and trunk. What does a negative standard reduction potential mean about a given element? Price per 2-year-old llama ($) d.They will begin to compete with killer whales for habitat space, Which organisms in the food chain receive energy directly from the producer? Multiple Choice Over consumption, which could lead to less profit. Hall, William C. Rose. 119 the ecosystem would collapse because an alligator eats fish right? %%EOF a.An increase in algae growth Since there are multiple questions we will answer only the first three questions. a.Grass b. Grasshopper c. mouse d. Snake, Which organism in the food chain receives energy directly from a primary consumer? What would happen to the transfer of energy and the recycling of nutrients if the decomposers were removed from this cycle? 10 kilograms 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. Today it is limited to the lower Yangtze, primarily in the Anhui and Zhejiang provinces in eastern China. In 2018, there was one fatality here, nine major alligator bites and one minor bite on people. 116 (5.4) I II III IV top consumer What might happen to alligators in the south if the U.S. (5.4) In their absence, dead organic matter will pile up and nutrient recycling will be inhibited. B) The element is more readily reduced than hydrogen. Over consumption, which could lead to extinction. Make a donation to the Smithsonian's National Zoo and Conservation Biology Institute today! The American crocodile is threatened in Florida, but is endangered throughout South and Central America and the Caribbean. Firm B currently dumps 192 tons of chemicals into the local river. Wiki User. Unlike nutrients, energy is not recycled and reused in an ecosystem price = $13 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 (5.4) It certainly does. The adult diet typically consists of fish, turtles, small mammals, birds, and reptiles, including small alligators. a.The fish eat infected insects Choose the INCORRECT statement regarding the general features of the vertebral column. 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.They help to recycle nutrients back into the soil If you take photos, do it from a safe distance, at least 30 feet. Alligators are most active between dusk and dawn. googletag.cmd.push(function() { googletag.display('div-gpt-ad-1449240174198-2'); }); FIU biologists Mike Heithaus and Maureen Donnelly offer insight on this native predator. a.Producers b. d. Decomposers, Which is "lost" to the environment as heat making it unavailable for recycling? The mating system is polygamous, as a male may breed with more than one female. State laws prohibit feeding, harassing, killing or possessing 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. a. 4 What is wrong with reporter Susan Raff's arm on WFSB news? b.With fewer large fish, killer whales prey on more marine mammals 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? C) The element is more readily oxidized than most other elements. 113 Fish and Wildlife Service were to reduce or eliminate the tags required to hunt alligators? WebAs the alligators disappeared, so did all those game fish that they liked to catch. c. zooplankton d. Fish This project is the culmination of 13 years of study on the nesting success of alligators in Everglades National Park. 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. 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. Completed nests are about 3.5 feet high and twice as wide. It's alligator mating season in Florida:So expect more neighborhood gator sightings. (5.4) WebThey make the soil clean. Their ability to catch and eat seals depends on sufficient ice coverage, but many scientists predict that ice coverage may drastically decrease in the arctic due to global warming. Perhaps the greatest contribution the alligator makes to the ecosystem and its inhabitants are gator holes that adults create and expand year by year. Anyone who encounters one and believes it may pose a threat, should contact the Florida Fish and Wildlife Conservation Commission. 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.

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