What is the definition of the following term?

Question

Taproot

a strong, central root
having to do with the tubes that form the circulatory system of plants
the tubes that carry water and minerals from the roots of a plant to its leaves
openings in the skin of a plant, used for gas exchange
the process by which water is given off from plants

Answer 1

a strong, central root

Answer 2

The types of tubes in a plant are: Select all that apply.
phloem
circulatory
excretory
digestive
xylem

Answer 3

phloem
xylem