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Island populations are often subject to the influence of genetic drift because:

Which of these has the stages of development in order:

You may answer ONE of any of the essay questions that you did not already answer above for up to 3 extra credit points depending on the quality of your answer.

Flatworms are members of which of the following clades:

Organisms such as paramecium, amoebas, volvox are in which Domain:

Endothermy is a characteristic of (select all that apply):

Exoskeleton, ecdysis, segmentation, and metamorphosis would be found in what type of organism:

Match the type of vertebrate with the type of heart that they have:sharks [a]mammals [b]amphibians [c]snakes, turtles [d]birds [e]bony fish [f]  

Which of the following are heterotrophic protists:

The sporophyte part of the life cycle is dominant in which types of plants: