Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 47, Problem 22CTQ
Explain what extinction threats a frog living on a mountainside in Costa Rica might face.
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Chapter 47 Solutions
Biology 2e
Ch. 47 - Figure 47.6 Scientists measured the relative...Ch. 47 - Figure 47.9 The Svalbard Global Seed Vault is...Ch. 47 - Converting a prairie to a farm field is an example...Ch. 47 - Figure 47.16 Which of the following statements is...Ch. 47 - With an extinction rate of 100 E/MSY and an...Ch. 47 - An adaptive radiation is.__________ a burst of...Ch. 47 - The number of currently described species on the...Ch. 47 - A mass extinction is defined as. a loss of 95...Ch. 47 - A secondary plant compound might be used for which...Ch. 47 - Pollination is an example of_____________ a...
Ch. 47 - What is an ecosystem service that performs the...Ch. 47 - Which two extinction risks may be a direct result...Ch. 47 - Exotic species are especially threatening to what...Ch. 47 - Certain parrot species cannot be brought to the...Ch. 47 - What was the name of the first international...Ch. 47 - About what percentage of land on the planet is set...Ch. 47 - Describe the evidence for the cause of the...Ch. 47 - Describe the two methods used to calculate...Ch. 47 - Explain how biodiversity loss can impact crop...Ch. 47 - Describe two types of compounds from living things...Ch. 47 - Describe the mechanisms by which human population...Ch. 47 - Explain what extinction threats a frog living on a...Ch. 47 - Describe two considerations in conservation...Ch. 47 - Describe what happens to an ecosystem when...
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- The International Union for the Conservation of Nature and Natural Resources (IUCN), has declared 418 animal species in the Philippines to threatened: meaning they are either vulnerable, endangered, or critically endangered. What small steps that you can do to save these animals?arrow_forwardGive an example of an invasive animal species. How and what are the threats they pose to the native wildlife and ecosystem in tropical countries?arrow_forwardBelow is a short research proposal. Review the proposal. Identify the research question, weaknesses, and propose changes as appropriate. Many butterfly species are known to have long migrations, with some species showing spectacular movements of millions of individuals. One of the ancient tropical species is the Monarch butterfly. Thought to have originated in the Mexican and Central American mountains and valleys, it eventually invaded warming northern regions driven by its search for its valuable food source, the milkweed plant. During the falls season, monarchs from Canada and the United States will start their longest journey known as “The Great Monarch Migration” to Mexico. How the Monarch can accomplish the 3000 miles journey is still puzzling. Your friend, a lepidopterist, wants to develop a proposal to understand how genetics influence Monarch’s ability to sense changing environmental signals aiding them to get to their destinations in the fall. She believes that the…arrow_forward
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- explain the following Effects of wild life depletion Unbalanced food chain and ecosystem Reduction in rare wild animals Danger to human life Impact on biodiversity Loss of economic value Loss of genetic informationarrow_forwardWhat are natural threats In Mexicoarrow_forwardProvide 2 Philippine animal and 2 plant species whose status is threatened or endangered. Why are these plants and animals are considered threatened/endangered?arrow_forward
- Define and distinguish among native, nonnative, indicator, and keystone species and give an example of each. What is an invasive species?List six factors that threaten many species of frogsand other amphibians with extinction. Describe therole of the American alligator as a keystone species.Explain why ecologists say we should protect sharks.arrow_forwardDescribe two of the threats facing native species inHawaii, and two actions people have taken to address thesethreats. What new trend is now jeopardizing some ofthese efforts? What steps do you think might be requiredin the future if we are to safeguard native species inmountainous habitats in places like Hawaii?arrow_forward#1 endangerered or threatened animal is Javan Rhinos write a summary on Javan rhinos considering answering these questions.arrow_forward
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