☐17. (07.08 MC)The prairie chicken was once widely seen in many areas across the Great Plains. Due tothe conversion of prairie land into farmland, one species of the prairie chicken becameextinct. The only species of prairie chicken left are endangered mainly because ofhabitat loss. They require tall grass prairies as their habitat. Which of the following isthe best explanation for their endangered state? (4 points)The prairie chickens lack genetic diversity and resilience to changes in environment, resultingdecline of the population.Environmental perturbations increased the rate of adaptive alleles.The prairie chickens have adapted to many new environments.The prairie chickens are genetically diverse and resilient to environmental perturbations.

Option a: This option is correct. Option b: This option is correct or incorrect because Option c:…

Answered: ☐ 17. (07.08 MC) The prairie chicken…

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter45: Population And Community Ecology

Section: Chapter Questions

Problem 2VCQ: Figure 45.10b If the major food source of the seals declines due to pollution or overfishing, which...

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Explain how the three major types of deserts differin their climate and vegetation. Why are desert ecosystems vulnerable to long-term damage? How dodesert plants and animals survive? Explain how thethree major types of grasslands differ in their climateand vegetation. What is a savanna? Explain howsavanna animals survive seasonal variations in rainfall (Core Case Study). Why is the elephant an important component of the African savanna? DescribeTuy Sereivathana’s efforts to prevent elephants frombecoming extinct in Cambodia. Why have manyof the world’s temperate grasslands disappeared?Describe Arctic tundra and define permafrost?Explain how the three major types of forests differin their climate and vegetation. Why is biodiversityso high in tropical rain forests? Why do most soils intropical rain forests hold few plant nutrients. Whydo temperate deciduous forests typically have a thicklayer of decaying litter? What are coastal coniferousor temperate rain forests? How do most species…
.What factors (other than wolves) could have had an effect on the deer population?
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BisonBison roamed free in an area along the eastern slopes of the Rockies, in what is now Banff National Park, for thousands of years before being wiped out by hunting in the mid-1800s. Elk Island National Park, located 35 km east of Edmonton has been an important refuge for bison, amongst many other species of animals.In January 2017, 16 bison, which were raised in Elk Island National Park, were moved to Banff National Park. They were contained in a paddock initially, but then the animals were released into a partially fenced area, about 425 km2 in size, in the backcountry. There is hope the animals will eventually be free roaming. A) Suggest two reasons why the population of bison in Banff National Park might NOT be in Hardy–Weinberg equilibrium. B)
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Conservation 1. Contrast wilderness areas with wildlife refuges. Do you think each of these areas continue to fulfilltheir original purpose for which they were created? 2. How do the principles of island biogeography (the “island” drawings & examples in the lecture video)highlight these two important issues for conservation, especially for areas in the middle of developedlandscapes?a. Size of area preserved -b. Distance from “mainland” - 3. What is the “edge” and “core” area of a reserve? Why is it so important to maximize “core” habitats?
25.helo
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上午11:08 1月22日周六 - 100% •.. •.. 26. The factor that likely poses the greatest threat of extinction of species worldwide is (A) weakening of environmental legislation (B) increase in hunting and fishing (C) aggressive collecting of specimens by museums and zoos (D) black-market trade in endangered species (E) increasing loss of habitat
[[]] Book of the Dead: The Species Declared Extinct in 2022 - What are the COMMON reason for these species to become extinct? - Choose at least 1 species listed and are they considered keystone species? Yes/No, why. []]]{[[
A BI U ニvニv ... Question 32 Ecological systems, unlike the organism, Question 32 options: A) are susceptible to selection pressure. B) are able to evolve. C) do not exhibit homeostasis. D) exhibit homeoștasis. Question 33 How do the resource management sciences differ from ecology? Question 33 options: A) The management sciences focus on natural history. B) Ecology is an applied science. C) They focus on human impacts on ecology. D) They are applied sciences. Question 34 The most comprehensive level of biological organization is the Question 34 options: A) population B) ecosystem C) species D) ecosphere

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