Thallophytes
a division of the plant kingdom including primitive forms of plant life showing a simple plant body
Seed
First stage of the plant life cycle
Monocots
an embryo with a single cotyledon, usually parallel-veined leaves, and floral organs arranged in multiples of three
Bryophytes
another group name for mosses, liverworts and hornworts
Adult Plant
Fourth stage of the plant life cycle
Dicots
an embryo with two cotyledons, leaves with typically reticulate venation, and floral organs usually arranged in multiples of four or five
Pteridophytes
any of a group of vascular plants that have roots, stems, and leaves, reproduce by spores instead of by flowers and seeds
Pollination
Fifth stage of the plant life cycle
Annual
plants that germinate, flower, set seed, and die all in one season
Gymnosperms
any vascular plant that reproduces by means of an exposed seed, or ovule
Germination
Second stage of the plant life cycle
Biennials
those plant species that have a lifecycle spread over two years
Angiosperms
plants that produce flowers and bear their seeds in fruits
Young Plant
Third stage of the plant life cycle
Perennials
plants that persist for many growing seasons