The elements and principles of art interact with each other.

Shapes are two-dimensional and flat.

A leaf that lacks a petiole is termed

Which function does the stem have in common with the root?

Leaves and primary stems interface with the environment through the ________ tissue.

A wood’s capacity to withstand decay organisms is referred to as its

Older, nonfunctioning xylem is called

Mycorrhizae involve

Which soil horizon is the most important agriculturally?

Flowering plants that complete their life cycles in a single season are called