world travel becomes easier and human populations intermix, the occurrence of what 12) phenomenon will probably decrease? A) founder effect and genetic drift C) sexual selection B) mutation D) immigration Then exlpain why the choice is

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…

a) which two organisms are more distantly related: cow, rattlesnake, and moth. b) expain how you came to that conclusion

Based on the biological species concept, which of the following would lead biologists to conclude that different populations of lizards were actually a single species rather than two different species? A.) lizards from the two different populations mate rarely, and produce hyrbid offspring that are sterile B.) Lizards from the two differnt populations mate during different seasons  C.) Lizards from the two different populations mate regularly and produce sterile offspring D.) Lizards from the two different populations matre regularly and produce viable offspring capable of reprod