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
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Animal bodies are organized along the ____________ axes.
A. dorsoventral, anteroposterior, and left-right B. dorsoventral, cranioposterior, and right-left C. dorsoventral, anteroposterior, and segmented D. dorsoventral, cranioposterior, and segmented E. apicalventral, anteroposterior, and right-left
Light reactions: getting energy from light!
What will be an ideal response?
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
Gram-negative bacteria in the genus ________ prey on other Gram-negative bacteria
A) Bdellovibrio B) Chlamydia C) Rickettsia D) Mycoplasma E) Caulobacter