Firm B currently dumps 192 tons of chemicals into the local river. 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. 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. a.It is a game, A: a. It is illegal to feed or provoke alligators as well as all other wildlife. (5.4) 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. b. producers 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. 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.Their population will further decrease A cubic foot of carbon monoxide pollutes the environment, and has a social cost of $2.5. c. zooplankton d. Fish c. carnivore d. Detritivore, Which receive energy directly from the sun? By using our site, you acknowledge that you have read and understand our Privacy Policy c.Abundant salmon will allow bears to thrive and produce more offspring As these populations increased they would put strains on or even drive their food sources to extinction. (5.4) b. As alligators disappeared from the food chain, being at the highest trophic level, there would be a population increase in their prey such as fish, birds, amphibians, and other animals. a. I b. II c. III d. IV, Which of the following best characterizes the top consumer of this food chain (5.4) What will most likely happen to the florida manatee if pollution kills sea grasses and aquatic vegetation? hmkFB}~#l6l+qsbZf~;Ke`RY ng**#s^2}5:I'::L`J LR5)ge$SbZ(h 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. 2,000 People are not their meal of choice. What is the competitive equilibrium price and quantity in the market for electricity? Under consumption, which could lead to less profit. Amphibians, unlike people, breathe at least partly through their skin, which is constantly exposed to everything in their environment. weather related occurrences that affect populations regardless of their density. 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. Although these animals become easy prey for alligators and other predators such as wading birds, the value of the refuge outweighs the risk. When you feed them, alligators can overcome their natural fear of humans and start to associate them with food. Upon arrival in the water, she opens her jaws and shakes her head gently from side to side, encouraging the hatchlings to swim out. The MC curve is the marginal cost curve, A: 1. What is the answer to today's cryptoquote in newsday? Although alligators tend to hang out under rookeries to eat nestlings that fall out of their nests, they also like to eat raccoons, which prey on birds while they're in their nests. A. 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? The largest Chinese alligator measured in recent times was 7 feet and 1inch--about half the size of the largest living American alligators. 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. What are the chances of being bitten? 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? As energy flows in an ecosystem, some is lost as heat to the environment. Thank you for taking time to provide your feedback to the editors. A) The vertebral column physically supports the skull and trunk. By digging holes and leaving trails throughout marshes, they create habitats for fish and marine invertebrates. Quizlet The lowest level of consumer for an organism that must obtain food by eating other organisms. (5.4) a. What would happen What time does normal church end on Sunday? WebOpossums and foxes do not eat each other, so the number of births and deaths in the fox population will stay the same. WebAs the alligators disappeared, so did all those game fish that they liked to catch. 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. In 2021, there were seven major and three minor alligator bites. Alligator b.They are producers Chinese alligators are found in slow-moving freshwater rivers and streams, including lakes, ponds and swamps. Discuss the impact on the: Algae-laden waters produce greener skin, while tannic acid from overhanging trees can produce darker skin. 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. c.An increase in fish eggs that are laid 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? A) The element is more readily oxidized than hydrogen. Alligator c. The minnow, the salmon, and the grizzly bear What role do coenzymes play in metabolism? Ecologists argue that the extinction of crocodiles could disrupt ecological processes and damage the ecosystem. b.Their population will decrease However, if they sense something splashing in the water, they are likely to bite first and ask questions later. (5.4) Its diet mostly includes snails, crustaceans, insects and fish, but young waterfowl and rodents will be taken if available. 12,000 Which 2 of the following statements are true concerning energy flow in an ecosystem? (5.4) capacity of an animal to complete complex, stereotyped responses to the first time encounters with key stimuli. short run and 12,000 Chinese alligator benefit to consumer = area between, A: Answer: The Chinese alligator is the only member of the eight species in the Alligatoridae family to exist outside of the Americas. Alligator activity also picks up in the spring and summertime, when they typically breed and look for new habitats. Education and awareness is the best long-term way to avoid future incidents. It's alligator mating season in Florida:So expect more neighborhood gator sightings. d. Marginal external costs are zero. a. Energy 10% c. 25% d. 100%, According to the biomass pyramid, how much biomass of grass is needed to support 300 kilograms of insect biomass? Evaluate the work, in kJ/kg. }.U=c~4+cs~M&I|!$r(==QbF ;P;g9: /F&q eKU1)z. Ch.6 Ecology and Human Impact The American Alligator: An Indicator Species for They remove extra water from the soil. 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.An increase in the amount of energy received from the sun Do Eric benet and Lisa bonet have a child together? a. Webstep in the passage of energy and matter through an ecosystem. (5.4) b.The snakes are increasing with fewer predators feeding on them (5.4) Alligators primarily inhabit freshwater swamps and marshes and can also be found in rivers, lakes, and smaller bodies of water. Primary consumers ", 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. Neither your address nor the recipient's address will be used for any other purpose. The highly efficient predators are quick on land and even faster in water. 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. a. Fish and Wildlife Service were to reduce or eliminate the tags required to hunt alligators? (5.4) As water depth decreases, prey becomes concentrated in alligator holes, alligators capture more prey, and body condition increases. Which of the following best explains the declining fish population? If you see one when you're in the water, get out as quickly and as quietly as you can. This answer is: 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. a. Please select the most appropriate category to facilitate processing of your request. 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. 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. b.The consumers would have to replace the decomposers in the transfer of energy Adult male alligators occasionally reach 13 to 15 feet in length. Did Billy Graham speak to Marilyn Monroe about Jesus? 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. 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 long run and not Wildlife-human conflict happens all over the world. (1) Market equilibrium level of output 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. Firms do not make profits of any kind a.Snakes would increase, and grasshoppers would decrease American alligator and its importance to the Florida Everglades 14. c.An increase in the population of primary consumers The Chinese alligator is an opportunistic feeder. The ecosystem would be forced to radically change, allowing new and possibly invasive species to populate the habitat. Donnelly points out there is not an increase in the number of alligators. This document is subject to copyright. If you get bitten by an alligator, get medical attention as soon as possible. E) It absorbs stresses produced by walking, running, and lifting. This investigation provides valuable insight into hatchling success and nest site selection, as well as impacts from flooding, predation, and infertility. a. Bird b. Squirrel c. snake d. Mouse e. Eagle f. seeds, Which of the following makes up the base of all ecological pyramids? Multiple Choice Over consumption, which could lead to less profit. and Terms of Use. c. specialization of marine carnivores d. Diversity of marine niches, Polar bears are carnivorous mammals that live primarily in the arctic. If the oyster population was reduced, what would you expect to happen to the quantity of microbes, floating algae and detritus? a. Decomposer b. d.The number of organisms decreases with each trophic level, but the amount of energy in each trophic level increases c. Marginal private costs are above marginal social costs 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? d.An increase in the number of frogs, What would most likely happen if the insect population significantly decreased? Unlike nutrients, energy is not recycled and reused in an ecosystem An organism that makes its own food. How much pollution is there at the competitive equilibrium and what is the social cost of this pollution? What are the qualities of an accurate map? Primary consumers 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. Florida International University. 3 Read more articles by Chris hereand follow him on Twitter at@cabridges. Select one: a. Squirrel b. Beetle c. snake Worksheet 1: Questions for Chesapeake Bay Food Marginal private costs are below marginal social costs The snout of an alligator is characteristically broad, although the shape can vary slightly among populations and individuals. What happens if an animal is removed from the food chain primary consumer. What's New at the Smithsonians National Zoo This Summer? c. decomposers d. carnivores, Use the generic food chain to answer the question. c.Their habitat would shift further south the ecosystem would collapse because an alligator eats fish right? %PDF-1.5 % b. Question 4 30 seconds Q. This audio file of an American alligator bellowing was recorded at Shark Valley on August 24, 2008. Multiple Choice Over consumption, which could lead to less profit. 6 State laws prohibit feeding, harassing, killing or possessing them. 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.Producers b. (5.4) Firm A currently dumps 223 tons of chemicals into the local river. WebUnder consumption, as hunters switch to a new animal to hunt. (5.4) First week only $4.99! 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. Springtime courtship rituals are complex and can last for several hours. (5.4) Primary consumers c. apex predators d. Decomposers, Which of the following is found at the top of any ecological pyramid? Over consumption, which could lead to less profit. However, even after hunting was prohibited in Florida, illegal poaching continued into the 1970s because the belly skin of alligators produces high-quality leather. They typically wait for something to swim or walk by and then lunge at it. What would happen to the transfer of energy and the recycling of nutrients if the decomposers were removed from this cycle? 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? d. Water snakes, terrestrial grasses and aquatic vegetation, Which organisms in the food web have the greatest amount of energy? a.Frogs b.Terrestrial grasses C) The element is more readily oxidized than most other elements. This will disrupt the functioning of the whole food web and also the ecosystem. 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. 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. The algae, the minnow, and the salmon a. An alligator can go through 3,000 teeth in a lifetime. decrease. Sources Animal Diversity Web, University of Michigan Museum of Zoology National Geographic National Park Service SmithsoniansNationalZoo& ConservationBiologyInstitute Maximum length for females is approximately 10 feet. As summer begins, they switch to more nocturnal feeding habits to avoid the heat and humans while they begin their annual mating rituals. a.The inorganic nutrients would no longer be available to the producers The three scenarios presented within the case are : It's smaller, the head is more robust and its snout is slightly upturned. a. scavenger. endstream endobj startxref Population & Resources review 1 WebIf alligators became endangered it would negatively impact our delicately balanced Florida ecosystem. What might happen to alligators in the south if the U.S. Producers b. d. Eagle e. Bird f. Mouse, Which organism represented in this food web would be the top consumer? Alligators are an important part of the Everglades ecosystem and are considered a keystone species of the park. c.Grasses would decrease, and snakes would increase Market equilibrium level of output: All of the above are correct. An organism that eats a secondary consumer. (5.4) Chinese alligators dig extensive tunnels with multiple chambers, entrances and pools. d. Foxes, a. an ecosystem that has 1000 squirrels must produce at least 800,000 acorns c.Available energy remains the same even though biomass decreases at each trophic level There are three firms, A;B; and C that produce electricity. (5.4) Alligators are apex predators. b.Higher level consumers, such as red fish, marsh birds, and alligators, are likely to overpopulate the island and the surrounding waters What might happen to alligators in the south if the U.S. a. WebIf whales, sharks, seals and alligators were removed from the ecosystem, what would you expect to happen to the numbers of predatory fish? 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 minnow and the salmon Prepared by George H. Dalrymple 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. Share the story of this animal with others. The American alligator (Alligator mississippiensis) is an icon of the Southeastern United States. Given this food web, what factor allows the killer whale population to be stable even if marine mammal populations decrease? a. available energy decreases because some is released as heat into the environment Number of llamas on the commons Number of llamas on the commons. Now more than ever, we need your support. 6,000 (5.4) Consumers sd2 domestic supply curve 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. "The animals have nowhere else to go. Chapter 15 Ecosystem Interdependence The number of alligators began to rebound when alligator farms opened and hunting was outlawed, easing the pressure on wild populations. f.Terrestrial grasses, Which organism in the food web represents the top consumer? 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. a. If you see one, go the other way. (5.4) Which position in the food chain represent the primary consumer? 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 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. 4,000 Start your trial now! 10 kilograms (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. Growing up to nearly 15 feet in length, the American alligator can take up residence in Florida's canals, lakes, rivers and swamps. alligators The more we develop, the more likely we are to see this type of conflict.". The discarded salmon carcasses provide nutrients downstream and to terrestrial landscapes. What would most likely happen to the food web if there were a sudden decrease in the number of blue crabs? 8) If the oyster population was reduced what would you expect to happen to the quantity of 0.75 Homestead, 2 kilograms b. 2 Both sexes may react very aggressively to one another, especially in first encounter situations. 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? The females respond swiftly to calls from hatchlings facing impending danger. 30 kcal b. Plant b. Herbivore 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.

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