While looking in a tide pool, you find an animal with a two-part shell and a large foot that it uses to bury itself in the sand. What is the likely identity of your find?
A. A gastropod
B. A chiton
C. A bivalve
D. A cephalopod
E. A snail
Answer: C
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Which of the following organisms exhibits
cephalization? a. snail b. sea anemone c. sea star d. sponge e. Trichoplax
Which of the following two terms relate most closely to split genes?
A) 5'-cap, 3'-poly-A tail B) introns, exons C) elongation, termination D) heteroduplex, homoduplex E) transcription, translation
Why does Dallas, Texas, have a higher yearly average temperature than Chicago, Illinois?
A) Dallas is at a higher latitude than Chicago. B) Chicago experiences more prevailing westerly winds than Dallas. C) Dallas receives more solar irradiance than Chicago. D) Dallas is closer to a large body of water, than is Chicago.
Oysters and many other mollusks produce many offspring of which only a few survive to adulthood and then have little risk of predation with their strong adult shells. Oysters are an example of an organism with a type ______ survivorship curve.
A. 0 B. I C. II D. III E. IV