Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 53, Problem 9TYK
Summary Introduction
Introduction:
The islands are small lands, which are situated in isolation from the mainland. The species inhabiting the island keeps on fluctuating to maintain equilibrium. The species inhabiting the island is influenced by the species present on the nearby mainland or islands. The equilibrium theory of island biogeography explains the pattern of the presence of species on an island.
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Which of the following statements best represents the productivityhypothesis regarding species richness?a. The larger the area, the greater the number of species that will befound there.b. Temperate regions have a lower species richness due to the lack oftime available for migration after the last Ice Age.c. The number of species in a particular community is directly relatedto the amount of available energy.d. As invertebrate productivity increases, species richness will increase.e. Species richness is not related to primary productivity.
Inmost ecological communities, we find:a.more rare species than moderately common or very common ones.b.more very common species than moderately common or rare ones.c. norare species—apparently “rare” species are artifacts of incompletesampling.d.roughly equal proportions of rare, moderately common, and very commonspecies.e. more moderately common species than rare orvery common ones.
Using island biogeography theory, on which island would you expect to find a greater number of species
A small island of a large island (both, the same distance from the mainland)?
A 5km squared island from the mainland, or a 5 km squared island closer to the mainland
Chapter 53 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 53.1 - How might natural selection favor a carnivore that...Ch. 53.1 - Prob. 2SBCh. 53.1 - How can field experiments demonstrate conclusively...Ch. 53.2 - Prob. 1SBCh. 53.2 - Prob. 2SBCh. 53.3 - Prob. 1SBCh. 53.3 - Prob. 2SBCh. 53.3 - Prob. 3SBCh. 53.4 - Prob. 1SBCh. 53.4 - Prob. 2SB
Ch. 53.5 - Prob. 1SBCh. 53.5 - Prob. 2SBCh. 53.6 - Prob. 1SBCh. 53.6 - How does a climax community differ from early...Ch. 53.6 - Prob. 3SBCh. 53.7 - Prob. 1SBCh. 53.7 - Prob. 2SBCh. 53 - Prob. 1TYKCh. 53 - The use of the same limiting resource by two...Ch. 53 - Prob. 3TYKCh. 53 - Prob. 4TYKCh. 53 - A keystone species: a. is usually a primary...Ch. 53 - Prob. 6TYKCh. 53 - The change in the species composition of a...Ch. 53 - Prob. 8TYKCh. 53 - Prob. 9TYKCh. 53 - Prob. 10TYKCh. 53 - The table below shows how many individuals were...Ch. 53 - Prob. 12TYKCh. 53 - Prob. 13TYKCh. 53 - Prob. 14TYKCh. 53 - Prob. 1ITD
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- Which of the following is an example of a microclimate affecting an organism's fitness? Select one or more: a. A rat carcass lying in a sunny location, slowing the growth of fungus on it. b. Seasonal rainfalls increasing in frequency, allowing a tree to produce more seeds. X c. Average temperatures increasing across a forest, leading to a reduction in prey for wolves to feed on. X d. A local wind mixing oxygen into the surface of a lake, increasing diatom photosynthesis ratesarrow_forwardBirdson oceanic islands have highest diversity on:a.large islands close to the mainland.b.large islands far from the mainland.c.small islands close to the mainland.d.small islands far from the mainland.e.small islands of recent geologic origin.arrow_forwardVertical distribution of different species occupying different levels in a biotic community is known as?arrow_forward
- Predict how species diversity would change if sea otters disappeared from Sea Otter kelp forests. This image shows a sea otter in a kelp forest. Sea otters live along the coasts of the Pacific Northwest in kelp forests and feed primarily on sea urchins and other crustaceans. Kelp forests are highly A. Diversity would increase because invertebrate species could multiply without predation. diverse ecosystems and provide nursery habitat, food, and shelter O B. Diversity would not change because another predator would fill the for various marine mammals, fish, and invertebrate species. A niche left by the sea otters simplified food chain is provided below: Sea otter → Sea urchin Kelp C. Diversity would increase because other species would move into the kelp forests to fill the niche left by the sea otters. D. Diversity would decrease due to the sea urchins consuming the kelp and removing an essential habitat for other species. View Sun nswered MacBook Air F12 吕0。 F5 @ 23 2$ % & %3D 4 5 6 7…arrow_forwardWhat is the importance of endemic hotspots to biodiversity conservation? A. Endemic hotspots contain many species found nowhere else, so the conservation of a small amount of area will protect many species. B. Endemic hotspots have the highest species diversity, so their conservation will protect the most species. C. Endemic hotspots are those that contain species vital to human existence, ssuch as medicinal species, and therefore humans rely on these areas the most. D. Endemic hotspots are where speciation rates are thegreatest, so the conservation of those areas will likely lead to the formation of many species in the future. E. Endemic hotspots have very low ecosystem stability, therefore require more protections to avoid extiction.arrow_forwardThe study of how habitat-type distribution across a landscape is known as: A. Landscape Ecology B. Evolutionary Ethology C. Population Biology D. Conservation Biologyarrow_forward
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