Rodney wants to research the effect of plastic litter in the oceans on baleen whales's digestive system. which subfield of marine biology is he likely to be specialized in? a. microbiology
b. ichthyology
c. marine mammalogy
d. fisheries and aquaculture
e. deep sea ecology

Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population.b) the separated population is small, and genetic drift occurs.c) the isolated population is exposed to different selection pressures than the ancestral population.d) different mutations begin to distinguish the gene pools of the separated populations.e) gene flow between the two populations is extensive.