The nurse correctly identifies the gallbladder is located where?

What are some aquatic organisms that live in cold water temperatures?

What was the land like over 500 million years ago? what was under the sea?

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.