Which of the following is an organism that possesses

chaetae and nephridia and exhibits coordinated
movements of circular and longitudinal muscle?
a. millipede
b. tapeworm
c. polychaete
d. hookworm
e. flatworm


Answer: c

Biology & Microbiology

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Indicate whether the statement is true or false.

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Important United States marine laboratories on the Atlantic Coast include all except:

a. Woods Hole Marine Biology Laboratory. b. Rosenstiel School of Marine and Atmospheric Science. c. Duke University Marine Laboratory. d. Friday Harbor Laboratory. e. Harbor Branch Oceanographic Institute.

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In photosynthesis, the chemiosmotic production of ATP

A) requires oxygen. B) is similar to the production of ATP in mitochondria. C) is done by the Calvin cycle. D) is a result of the oxidation of glucose.

Biology & Microbiology

Use the Fitch algorithm to determine the minimum number of evolutionary changes required to explain the character states (red, yellow, or blue) of the seven species depicted on the tree in the figure above

Recall the rules for assigning character states as you work your way down the tree. 1. If each of the two daughters of a node shares one or more possible states for a trait, assign those shared traits to the node in question. 2. If the two daughters share no possible states in common, assign all possible states for both daughters to the node. (Note to instructor: The difficulty of this question can be adjusted by including the two rules above, or not.) What will be an ideal response?

Biology & Microbiology