Plants!
angiosperms
A flowering plant which forms seeds inside a protective chamber called an ovary.
Bryophytes
A moss, liverwort, or hornwort; a nonvascular plant that inhabits the land but lacks many of the terrestrial adaptations of vascular plants.
lignin
A strengthening compound found in cell walls of vascular plants is
cellulose
Carbohydrate component of plant cell walls.
Seeds
Carry dormant plant embryos packaged with a food supply.
Gymnosperms
Connifers, cycads, ginkgo and gnetophytes are collectively called
eudicots
Member of a clade consisting of the vast majority of flowering plants that have two embryonic seed leaves, or cotyledons. (beans, Oaks, roses, daisies)
235,000
More than _________________ species of flowering plants have been identifies.
charophytes
Plants probably descended from a group of green algae called
seedless, vascular plants
Plants that have vascular tissue but reproduce by spores (ferns, club mosses, and horsetails)
xylem; phloem
Seedless vascular plants have _________ to conduct water and dissolved minerals and ____________ to conduct disolved sugar
gammae
Structures on mosses and liverworts where a small piece of tissue detach from gametophyte and grow into new plants asexually.
embryo sac
The female gametophyte in flowering plants is also called the
sporophyte
The stage in the life cycle of a plant in which the plant produces diploid spores.
gametophyte
The stage in the life cycle of a plant in which the plant produces haploid sex cells.
Pollination
The transfer of pollen from male reproductive structures to female reproductive structures in plants
Cycads
Type of gymnosperm prevalent in the Mesozic era. Most are near extinction. Palm like leaves and large cones
Gnetophytes
Type of gymnosperm. Mixture of traits. Cones resemble tiny flowers
Ginkgo
Type of gymnosperm. Only one species existing today. No longer found in nature. Fan shaped leaves
Conifers
Type of gymnosperm. Pines with needlelike leaves. Produce eggs/sperms in cones
95
______% of all living plant species are angiosperms
stomata
allow gas exchange for photosynthesis
Monocots
angiosperms that have only one seed leaf, includes palms grasses and orchids
Dicots
angiosperms that have two seed leaves
cuticle
waxy layer that covers aerial parts of the plant