Question

Anthropology 268. Sex, Nature, & Human Nature

* Intersexual selection is:

A, Male-Male competition.

B, Females choosing male mates.

C, Males choosing female mates.

D, only found in humans.

* Adaptations:

A, Are components of organisms that enable them to survive and reproduce

B, Allow organisms to evolve more rapidly.

C, Almost always occur by chance alone.

D, Are found only in humans.

E, A and B only.

*Unequal parental investment is favored in a species when:

A, The cost of finding mates is high.

B, More energy is needed to attract and acquire mate.

C, The reproductive rate of each sex is equal.

D, The fitness of offspring raised by only one parent is high.

* The Somatic vs. reproductive tradeoff refers to:

A, quality vs. quantity.

B, reproduction vs. menopause.

C, WSU vs. UW.

D, growth vs. mating.

*Which of the following is true about evolved psychological mechanics?

A, Each evolved psychological mechanism is problem specific.

B, Evolved psychological mechanism help organisms to survive and reproduce.

C, Humans have more evolved psychological mechanisms than many other species.

D, All of the Above.

Answer 1

1. Option B is the correct answer. Intersexual selecton represents selection by members of one sex of which members of the other sex with whom to mate. Females choose male mates. females like bright colors, enlarged, ornamented traits, showy males.

2. Option E is the correct answer. Adaptation is the process by which an organism develops the positive traits which are naturally selected and further leads to evolution.

3. Option D is the correct answer. Uneqal parental distribution occurs when less energy is needed to attract and acquire mate and the cost of finding mate is too low.

4. Option D is the correct answer. Somatic effort is towards growth and maintenance of the body while reproductive effort is towards producing mating that is producing offsprings.

5. Option D is the correct answer. An evolved psychological mechanism is a group of procedures within the organism made to take in a particular slice of information and transform it via decision rules into output that historically has helped with the solution to an adaptive problem.