Which Of The Following Would Tend To Promote Adaptive Radiation

Question: Which of the following would tend to promote adaptive radiation?

Answer: An organism colonizes an isolated area that is habitable but relatively devoid of life.

Question: The difference between geographic isolation and habitat differentiation is the…

Answer: Relative locations of two populations as speciation occurs

Question: When the continent of Pangea first split apart, it formed…

Answer: A Northern landmass called Laurasia and a southern landmass called Gondwanaland

Question: The first humans appeared in the fossil record in the ______

Answer: pleistocene

Question: The _____ period is sometimes referred to as the Age of Fish (wide diversification of bony fish)

Answer: Devonian

Question: Sympatric speciation commonly occurs through _____ in plants, but is more likely to occur through _____ in animals.

Answer: Polyploidy…….. habitat differentiation and sexual selection.

Question: the recessive allele that causes phenylketonuria (PKU) is harmful, except when an infant’s diet has appropriate levels of the amino acid phenylalanine. What maintains the presence of this harmful allele in a population’s gene pool?

Answer: Diploidy

Question: Which of the following are two types of genetic drift?

Answer: b and c

Question:

Answer: ecological

Question: Two species that sometimes mate and produce vigorous but sterile offspring are separated by…

Answer: reduced hybrid fertility