QUESTION 3

1. Why did Darwin recognize altruism as posing a problem to his theory of evolution?
2. a.Because there are only a few examples of altruism in the biological kingdom.
3. b.Because there is no fossil evidence.
4. c.Because the altruist is mutually increasing the fitness of their competitors as well as themselves.
5. d.Because the altruist decreases their own fitness while increasing the fitness of potential competitors.

1 points  

QUESTION 4

1. In which of the following situations would you expect group selection to have the most influence on the course of evolutionary events?
2. a.Low between-group competition and low within-group competition.
3. b.Low between-group competition and high within-group competition.
4. c.High between-group competition and low within-group competition.
5. d.High between-group competition and high within-group competition.

1 points  

QUESTION 5

1. Which of the following examples correctly demonstrates the common adage: "the needs of the many outweigh the needs of the few"?
2. a.Musk ox adults, when confronted by a predator, will form an outward-facing circle around the young in order to protect them from harm.
3. b.The rosebush and its thorny stem: when an animal tries to eat the plant, it will injure their mouth and the plant will be relatively unharmed.
4. c.When a blue jay eats a monarch butterfly, the blue jay vomits from the toxic butterfly allowing the butterfly to escape.
5. d.A scorpion will inject venom with the stinger of its tail when encountering prey.
6. e.All of the above.

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