Four of the following are echinoderms. Which one is the exception?
a. sea cucumber
b. sea star
c. urchin
d. brittle star
e. krill
ANSWER: e
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Answer the following statement true (T) or false (F)
If the cells of the morula or the inner cell mass split, what type of twins will develop?
Biocontrol, short for biological control, is a means to control pest populations (e.g., insects, plants) by intentionally introducing natural enemies of those pests
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The painters of the catacombs preferred the fresco technique because:
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