| Term | Definition |
|
gymnosperm |
seed plant that bears its seeds directly on the surfaces of cones |
|
angiosperm |
flowering plant; bears its seeds within a layer of tissue that protects the seed |
|
cone |
in gymnosperms, a seed-bearing structure; in the retina of the eye, a photoreceptor that responds to light of different colors, producing color vision |
|
flower |
seed-bearing structure of an angiosperm |
|
pollen grain |
male gametophyte in seed plants |
|
pollination |
transfer of pollen from the male reproductive structure to the female reproductive structure |
|
seed |
embryo of a living plant that is encased in a protective covering and surrounded by a food supply |
|
embryo |
organism in its early stage of development |
|
seed coat |
structure that surrounds and protects a plant embryo and keeps it from drying out |
|
fruit |
wall of tissue surrounding an angiosperm seed |
|
monocot |
angiosperm whose seeds have one cotyledon |
|
dicot |
angiosperm whose seeds have two cotyledons |
|
cotyledon |
first leaf or first pair of leaves produced by the embryo of a seed plant |
|
annual |
flowering plant that completes a life cycle within one growing season |
|
biennial |
flowering plant that completes its life cycle in two years |
|
perennial |
flowering plant that lives for more than two years |