You got this from edg, am I correct. Well he had evidence by drawing and saw the differences between between normal finches to to the ones of Galapagos island. There were 4 different finches, two had a thick beak and two others had thin beak for small wholes where insects might be hiding. He observed the differences between the beaks.

Explanation:

3 0

3 years ago

Experiments on the positive phototropic response of plants indicate that ______. A. light destroys auxin B. auxin moves down the

artcher [175]

The answer is auxin can move to the shady side of the stem.

Phototropism is a reaction to environmental factors. It is a plant's response to sunlight in the form of movement. In plants, phototropism is very prevalent. In actuality, it is necessary for plant growth. Other plant movements also occur in response to touch, water, gravity, and other factors. Phototropism was discovered due to well-known experiments by Charles Darwin and Boysen Jensen.

There are two types of phototropism:

Positive phototropism

Negative phototropism.

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8 0

1 year ago