In a marine food chain, energy is passed from one organism to the other. identify the odd link in the chain from these options.
zooplankton feed on phytoplankton.
small fish feed on zooplankton.
squid feed on zooplankton.
seals feed on squid.

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.