An annual ring
A) consists primarily of cells produced by an apical meristem.
B) consists of one year's growth of xylem and phloem.
C) consists of one year's growth of xylem.
D) includes cortex and pith tissue.
E) conducts food.

Question

Quizplus · Accepted Answer

Annual rings in trees are primarily made up of xylem produced during one year's growth. These rings are visible in the cross-section of a tree trunk, marking the growth of xylem that occurs in a yearly cycle. Phloem, cortex, and pith are not part of the annual rings.

An Annual Ring