Which of the following is (are) specialization(s) that

evolved in land plants that was (were) unnecessary in
their aquatic ancestors?
a. xylem
b. phloem
c. stomata
d. roots
e. all of these


Answer: e

Biology & Microbiology

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It can be very difficult to select an angle for sneaking up to a grasshopper to catch it because grasshoppers have _____

A) excellent hearing for detecting predators B) compound eyes with multiple ommatidia C) eyes with multiple fovea D) a camera-like eye with multiple fovea E) binocular vision

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Compare arthropods, echinoderms, and chordates in terms of their similarities and differences.

What will be an ideal response?

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Which of the following is found in nucleic acids?

A) amines B) carboxylic acid C) purines D) glycerol E) R group

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An mRNA may not contain information for

a. the frequency of its own transcription. b. the frequency of its own translation. c. where in the cell it will be translated. d. how long it may be translated. e. synthesizing a polypeptide.

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