A horseshoe crab uses its long extended spine

for what purpose?



a. defending its territory
b. digging for clams
c. fighting for mates
d. protection from predators
e. flipping itself right side up


E

Biology & Microbiology

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What will be an ideal response?

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In the accompanying figure, pollination is occurring at the point(s) labeled as:

a. A b. B c. C d. D e. C and D

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Gram-negative bacteria in the genus ________ prey on other Gram-negative bacteria

A) Bdellovibrio B) Chlamydia C) Rickettsia D) Mycoplasma E) Caulobacter

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