Term

gymnosperms

Definition

"naked seeds" a diverse group of seed plants that are pollinated by wind, insects, and tracheids. characterized by separate female and male gametophytes, and pollen cones and ovulate cones.

Term

paraphyletic group

Definition

groups where not all descendants of a single common ancestor are included in the group

Term

tracheids

Definition

transport water and solutes in the vascular system