Which hormone causes lengthening in plants by stimulating cell division and elongation along the long axis of stems and other organs?

a. auxin
b. cytokinin
c. ethylene
d. gibberellin
e. abscisic acid


d

Biology & Microbiology

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The production of toxin by the rough-skinned newts, which deters many predators, is an

example of __________.

a. an adaptation b. adaptive radiation c. sexual selection d. coevolution

Biology & Microbiology

The notochord has a similar function to the

a. nervous system. b. spinal cord. c. skeletal system. d. skin system. e. muscle system.

Biology & Microbiology

The Hox gene clusters in mouse are very similar to those identified in Drosophila. Indicate whether the statement is true or false

Biology & Microbiology

Bile is responsible for breaking down:

What will be an ideal response?

Biology & Microbiology