Further evolution of the protostomes changed the coelom by

(a) losing it.
(b) reducing it.
(c) it becoming a pseudocoel.
(d) all of the above.


(d) all of the above.

Biology & Microbiology

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Together, what are the calyx and corolla known as?

a. anther b. gynoecium c. perianth d. style

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The portion of the ear that allows for balance control

is indicated by a. A. b. B. c. C. d. E. e. nothing labeled on this figure.

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In the trp operon, where is the attenuator region located?

What will be an ideal response?

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__________ may cause cancer. 

A. Chemotherapeutic agents B. Mutagenic agents C. Meiosis D. Cytokinesis

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