1. Consider the following diagram, which illustrates habitat fragmentation. The species that live in the area indicated by A in the left side of the diagram are called edge species. Those that live in the area indicated by B are called interior species. What is likely to happen to the populations of these two types of species after fragmentation has occurred?
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Habitat fragmentation leads to the division of large, continuous habitats into smaller, isolated patches. Show more…
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Which of the following is/are considered an effect of fragmentation as opposed to an effect of habitat loss? Choose all that apply. A Animals situated in new edge habitat are disrupted and fail to develop. B Newly separated patches have insufficient prey animals to support a predator species. C Animal populations on either side of a new barrier become inbred.
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Habitat fragmentation can negatively affect populations by a. restricting gene flow among areas that were previously continuous. b. increasing the relative amount of edge in suitable habitat patches. c. creating patches that are too small to support a breeding population. d. All of the choices are correct.
Which negative effect can habitat fragmentation have on a metapopulation? A. It can make patches smaller, thus increasing patch extinction rate B. It can make patches more isolated, thus decreasing patch colonization rate C. It can lead to dampened oscillations within patches D. Both A and B E. Both B and C
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