Chemical elements other than carbon, hydrogen, oxygen, and nitrogen that are required in the diet and must be obtained from the food an animal eats are otherwise known as ____
Fill in the blank with the appropriate word.
dietary minerals
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You are surveying biodiversity on a new island chain. You have counted the number of bat species on one island already. The next island is smaller and farther from the mainland than the one you have just surveyed
According to the theory of island biogeography, the total number of its bat species should be ____ than on the current island because the rate of immigration to the new island should be ____ and the rate of extinction should be ____ . Refer to Figure 46.17 in your text for help. Fill in the blank with the appropriate word.
Although inbreeding by itself does not affect allele frequencies, how might inbreeding indirectly affect allele frequencies over the course of many generations if natural selection was also occurring?
A. Inbreeding favors homozygotes. If a homozygote has a higher Darwinian fitness, inbreeding would accelerate the prevalence of the allele in the population. If a homozygote has a lower fitness, inbreeding would accelerate the elimination of the allele from the population. B. Inbreeding favors homozygotes. If a homozygote has a lower Darwinian fitness, inbreeding would accelerate the prevalence of the allele in the population. If a homozygote has a higher fitness, inbreeding would accelerate the elimination of the allele from the population. C. Inbreeding never occurs in a natural population, therefore the fitness and allele frequencies would not be affected. D. None of these choices are correct.
When Louis Kunkel discovered the gene associated with Duchenne's Muscular Dystrophy in the 1980s, he then needed to determine _____
a. the MIM number of the gene b. whether the gene was linked to blood type c. how the mutant gene produces the disease phenotype d. whether to use positional cloning to clone the gene e. how many copy number variants were present in the gene
Persistent pollutants that accumulate in living tissue will be most concentrated in the bodies of
A. producers. B. decomposers. C. carnivores. D. herbivores.