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science el quizo
Question | Answer |
---|---|
tap root | one main root |
fibrous root | root system that has many branches and root hairs |
woody stem | not flexible, hard, supports weight and is not green |
herbaceous stem | flexible, green, turgor pressure supports |
blade | flat green part |
xylem | long hollow cells |
sapwood of a tree | outer edges, living part, lighter in color |
heartwood of a tree | center of the tree |
wood | a collection of xylem |
what are the two key supports of plants | cell wall and turgor pressure |
what is xylems path through the plant | roots to stem |
what is phloems path through the plant | leaves to everything else |
fiber | extremely long narrow cells |
epidermis | outermost tissue |
cuticle | waxy layer |
bark | living vascular tissue outermost layer of tissue |
characteristics of non vascular plants | no vascular tissue no true roots reproduce by spores mosses liverwarts, hornworts |
characteristics of seedless vascular plants | rhizomes fronds as stems young fronds are called fiddleheads reproduce by spores live in damp, shady environments |
characteristics of vascular plants | conduct water well true roots stems are woody or herbaceous true leaves two types of plants, gymnosperms and angiosperms reproduce by seeds |