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Which of the following are heterotrophic protists:

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]  

You find a new species of worm and want to classify it. Which of the following lines of evidence would allow you to classify the worm as an annelid?

Which is an example of an ecological reproductive isolating mechanism:

In the life cycle of bryophytes, which of the following is dominant?

For this last question of the exam, you need to show your scratch paper.  This is to verify that you just used the paper to work out problems, that you did not record any answers, etc.  Ease back just a little and hold up each side of the paper, you don’t have to hold it there for long, maybe count to 2 and then flip to show the other side.  When you are done, choose “yes” below to finish the exam.   If you answer this question early on in the exam, you need to remember to show your scratch paper, used or not, at the end of the exam!!  Don’t answer this until you are done and ready to submit!

To say a cell is “selectively or semi-permeable” means:

Acetylation of histones has which of the following effects?

Which is a difference between prokaryotes and eukaryotes?

The atom phosphorus is atomic number 15. How many electrons are in its outermost energy level?