Social groups face increased competition, parasitism, and disease. Natural selection has failed to
eliminate the tendency of animals to form social groups for many reasons. Select the exception.
a. Prey gain safety in numbers.
b. Predators have better hunting success in groups.
c. Prey in large groups satiates predators so all are not eaten.
d. Offspring are protected and taught by both parents and other group members.
e. Offspring are better protected from disease.
E
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What is a potential danger of corridor habitat?
A) increased connectivity B) decreased colonization rates C) increased extinction risk D) increased predation risk
Polyploidy may arise from the failure of chromosomes to separate during cell division or by the
fertilization of an egg by more than one sperm. _________________ Indicate whether the statement is true or false.
Dense coastal fog is characteristic of the temperate deciduous forest biome. Indicate whether the statement is true or false
You discover that the underlying cause of a disease is a protein that is now less stable than the non-disease-causing version of the protein. This change is most likely to be due to ________
(a) a mutation within a gene. (b) a mutation within the regulatory DNA of a gene. (c) gene duplication. (d) horizontal gene transfer.