Certain predictions about how animals should behave emerge from basic notions of behavioral ecology. Define, discuss, and give an example of kin selection, altruism, and reciprocal altruism. Also, explain how the three are related as well as how they relate to maximizing individual fitness.
What will be an ideal response?
Answer may vary.
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Thomas Malthus did not
a. propose that population size is kept in check by the availability of resources b. write An Essay on the Principle of Population c. influence the development of Darwin's and Wallace's theories of natural selection d. enter the discussion of evolution as an economist e. argue against limits to human population growth.
Primates achieve stereoscopic vision by having
a. round eyes b. large eyes c. eyes that see well at night d. forward-facing eyes
Which of the following statements about individuals with the HbS allele in the homozygous form is TRUE?
A. They lack the capacity to digest lactose. B. They rarely develop any form of sickle-cell anemia before reaching reproductive age. C. They usually develop fatal cases of sickle-cell anemia. D. They are usually found in temperate regions of the world. E. They always develop fatal cases of sickle-cell anemia late in life.
Which of the following do anthropologists believe to be true?
Undiscovered human groups likely remain in the Amazon rainforest. Humans tend to be divided into two groups: tribal or modern. Few, if any, isolated groups have existed in human history. Most human groups are influenced by only one or two other cultures.