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 13RQ
Exotic species are especially threatening to what kind of ecosystem?
- deserts
- marine ecosystems
- islands
- tropical forests
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Students have asked these similar questions
Which of the following best describes bottom up control of an ecosystem?
toxic compounds in mature leaves prevent herbivory by some consumers
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mesopredator consumption of small mammals
parasitoids infesting a tomato hornworm
What happens to a species that is pushed outside its fundamental niche?
It evolves and adapts
It experiences rapid population growth
It goes extinct
It speciates into a new species
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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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- What kind of ecosystem are exotic species especially threatening to? a. deserts b. marine ecosystems c. islands d. tropical forestsarrow_forwardPoaching of tiger is a burning issue in today's world.What implication would this activity have on the functioning of the ecosystem of which the tigers are an integral part?arrow_forwardExplain the following: Importance of butterflies within an ecosystem Importance of butterflies to humans how humans negatively affect the biodiversity of butterfliesHow change, large and small, has an effect on the ecosystemarrow_forward
- Which two extinction risks may be a direct result of the pet trade? climate change and exotic species introduction habitat loss and overharvesting overharvesting and exotic species introduction habitat loss and climate changearrow_forwardInsects are important pollinators and therefore they perform a critical invasive role keystone role indicator role environmental service community servicearrow_forwardYou are on a field trip visiting a local pond. You have been tasked with identifying the different abiotic and biotic factors that affect the ecosystem. You notice a large dam blocking what used to be a stream. There are several aquatic plants and animals in the area. Fish reside in the pond, small reptiles like skinks and snakes live around fallen trees, finches and various other bird species can be found around the pond. You also find trash along the outskirts of the pond. Based on your observations and knowledge gained in class, why would the dam-building animal be considered a keystone species? Its actions reorganized the trophic hierarchy of the ecosystem, and without it, the system would experience catastrophic changes. It is the apex predator, and without it, the population sizes of the native species would fluctuate until entire species are lost.arrow_forward
- Thailand's rainforests have decreased in area by approximately one-third since the 1960s due to logging for lumber, fuel, and to clear land for agriculture. Which activity will continue to have a negative effect on the biodiversity of Thailand's forests? Increasing the use of renewable energy sources in Thailand Increasing the human population in Thailand Increasing the use of sustainable technologies in Thailand Developing technologies that would reduce the amount of chemical pollutants produced BOOKMARK CLEARarrow_forwardKeystone predators increase the intensity of competition prey on species at random always prey on the poorest competitors prevent competitive exclusion by preying on competitors are observed only in rocky intertidal zonesarrow_forwardexplain 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_forward
- which help stabilize a community? presence of keystone and dominant species high conectivity aming species in community large number of different species in community all tend to do destabilize community all help stabilize communityarrow_forwardWhat is a factor that contributes to the fact that species richness is higher in tropical than in temperate regions? diversity increases as evapotranspiration decreases higher temperatures cause more rapid speciation tropical regions generally have more available water and higher levels of solar radiation tropical communities are youngerarrow_forwardWhy is biodiversity so important to: Human health Ecosystem health Child developmentarrow_forward
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MARINE ECOSYSTEM (Animation); Author: EarthPen;https://www.youtube.com/watch?v=-wrUr0esoI0;License: Standard YouTube License, CC-BY