Biology
Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 31, Problem 4FIB

The smallest population of a species that is likely to be able to survive in the long term is called the ________________. When suitable habitat for a given species is split up into areas that are too small to support a large enough population, this is called _____________. One way to maintain large enough populations is to set up core reserves of suitable habitat, connected by _________________.

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In a competitive interaction in which species A has a lower carrying capacity (KA) than species B (KB), it is expected that species ____________________ will go extinct.
Which of the following is not a part of the red list criteria for "critically endangered" species?     The population is expected to decline by 25% or more within 3 years or 1 generation.   The species has a restricted range <100km2 at a single location and there is observed or predictive habitat loss, fragmentation, ecological imbalance or heavy commercial pollution.   Extinction probably is greater than 50% within 10 years or 3 generations.   The total population size is less than 200 mature individuals.
Bighorn sheep are an iconic species in the western United States, however, their population size is drastically lower than it once was historically. These sheep inhabit montane patches surrounded by urban and agricultural landscapes. Accordingly, bighorn sheep can be considered a metapopulation. Wildlife managers would like to increase the patch occupancy of bighorn sheep. Which of the following would be the most effective conservation/restoration strategy? None of these statements is an effective conservation strategy. O Increase patch size and quality, and decrease the distance between patches. O Increase patch size and the distance between patches, and decrease patch quality. O Increase the distance between patches and patchy quality, and decrease patch size. Decrease patch size, distance between patches, and patch quality.
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