Biology Final Exam Fall ACTUAL QUESTIONS AND CORRECT ANSWERS

Biology Final Exam Fall ACTUAL
QUESTIONS AND CORRECT ANSWERS
- Speciation - CORRECT ANSWERS Formation of new
species


convergent evolution - CORRECT ANSWERS Process by
which unrelated organisms independently evolve similarities when
adapting to similar environments


divergent evolution - CORRECT ANSWERS when two or
more species sharing a common ancestor become more different over
time


geographic isolation - CORRECT ANSWERS form of
reproductive isolation in which two populations are separated
physically by barriers such as rivers, mountains, or stretches of water


temporal isolation - CORRECT ANSWERS form of
reproductive isolation in which two populations reproduce at different
times


behavioral isolation - CORRECT ANSWERS isolation
between populations due to differences in courtship or mating
behavior


stabilizing selection - CORRECT ANSWERS Natural selection
that favors "average" variants by acting against extreme phenotypes

, stabilizing selection graph - CORRECT ANSWERS


disruptive selection - CORRECT ANSWERS favors
individuals at both extremes of the phenotypic range


Disruptive Selection Graph - CORRECT ANSWERS


directional selection - CORRECT ANSWERS occurs when
natural selection favors one of the extreme variations of a trait


directional selection graph - CORRECT ANSWERS


Biodiversity - CORRECT ANSWERS The number of different
species in an area


biotic factors - CORRECT ANSWERS living parts of an
ecosystem


abiotic factors - CORRECT ANSWERS nonliving parts of an
ecosystem


evolution - CORRECT ANSWERS The gradual change in a
species over time