Question

Unlike ferns, angiosperms use ________ to contain their embryos.(1 point)
Responses

seeds
seeds

spores
spores

sporangium
sporangium

pollen

Answer 1

Unlike ferns, angiosperms use **seeds** to contain their embryos.

Answer 2

You observe the growth of a group of plants that have been tipped over.

Auxin is a plant hormone that can stimulate or inhibit the growth of cells. It controls the direction in which plant structures grow. How does auxin influence cell growth in the roots of these plants?

(1 point)
Responses

Auxin will build up on the upper side of the root and stimulate cell growth.
Auxin will build up on the upper side of the root and stimulate cell growth.

Auxin will build up on the upper side of the root and inhibit cell growth.
Auxin will build up on the upper side of the root and inhibit cell growth.

Auxin will build up on the lower side of the root and stimulate cell growth.
Auxin will build up on the lower side of the root and stimulate cell growth.

Auxin will build up on the lower side of the root and inhibit cell growth.

Answer 3

In the roots of plants, auxin will build up on the **lower side** of the root and **inhibit cell growth**. This causes the upper side to grow more, resulting in the root bending downward.