While considering the bottleneck effect, why might endangered species be difficult to recover?
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While considering the bottleneck effect, why might endangered species be difficult to recover?
While considering the bottleneck effect, why might endangered species be difficult to recover?
Nhile considering the bottleneck effect, why might endangered species be difficult to recover ? Hone this helns. Please let me know if you have an
What is the difference between threatened and endangered species? Give examples of each and why they are threatened or endangered.
= Endangered species sometimes breed in captivity. Why are such species endangered in the wild? A. Their population density is too high B. Loss of habitat C. Their environment is polluted What is the difference between Density-Dependent and Density-Independent Factors on populations? A. density-dependent factors exert a greater influence when there are more individuals; density-Independent exerts the same influence on all individuals regardless of their number OB. density-dependent factors exert a greater influence on larger, more dense Individuals, density-Independent factors...
rered plant species are currently being propagated by com a. Many endangered plant species are currently being propagated by o and botanical gardens and then sold (as both plants and seeds) conservation organizations, garden clubs, and the general public ement a create new populations of these legally protected species. There of these sales or the subsequent plantings. What do you see as the ad disadvantages of this widespread activity? Should the government more c commercial growers who then in effect...
Describe THREE major challenges to the captive propagation and release of endangered species. Which species do you think are best suited to reintroduction efforts and why? Find an example from the literature describing the successful reintroduction of an endangered species (aside from Californian condors) back into the wild. What were the main challenges in the case study you found and what management recommendations might you make in the future?
Overharvesting What habitats and species are most vulnerable to overexploitation? How can we manage overexploitation? Why is international management of endangered species difficult? How does legislation develop to manage endangered species?
Northern Elephant Seals and the Bottleneck Effect Northern elephant seals underwent a severe bottleneck in the 1880s, possibly down to fewer than 20 individuals. Many studies have examined the effect of this bottleneck on the evolution of the species. Data from one study can be found in the table below. Please examine the table and answer the questions that follow. Frequencies of northern elephant seal mtDNA genotypes. Seal bones, Seal skins, Seal bones, Seal bones, skin or tissue Seal tissue...
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