27) Which sex does the selecting in Sexual Selection? A) the more attractive sex B) males C) hermaphrodites D) females E) the sex with the greatest investment in the offspring 28) "Population" is best...

Extracted text: 27) Which sex does the selecting in Sexual Selection? A) the more attractive sex B) males C) hermaphrodites D) females E) the sex with the greatest investment in the offspring 28) "Population" is best defined as A) individuals that are evolving. H) a geographically localized group of individuals capable of eachanging DNA C) the diverse offspring of a single mating pair. D) one particular species. E) new alleles in the gene pool. 29) The limbic system is involved in which behaviors? A) controlling complex programmed motor movements B) detecting chemicals dissolved in liquids C) mediating sleep/wake cycles D) analysis of sensory information E) learning and memory 30) Human vision is best at detecting A) heat-sources. B) colors and movement. C) distant objects. D) stationary objects at night. E) All of the above. 31) Essential nutrients are those molecules that A) include some amino acids. B) the body cannot manufacture. C) include the vitamins. D) are needed for proper functioning of the body's cells. E) All of the above are correct. 32) The region of the brain that controls the breathing reflex is the A) hypothalamus. B) cerebellum. C) medulla oblongata. D) cerebral cortex (other than the frontal cortex). E) frontal cortex. 33) Psychoactive drugs are those chemicals that A) cause death at low doses. B) affect the brain and behavior. C) always push a person "up" the arousal continuum. D) cause drunkenness. E) interfere with cellular respiration. B-5