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Biology-Plants

5/23/01

AB
When were plants first cultivated?11,000 years ago
where were plants first cultivated?Mesopotamia
What is a close relative to moss?liverworts
where do ferns like to grow?streams, moist cool areas, woods
mosses canconvert rock to soil
mosses canwatersched-sponge
mosses canprovide food & shelter for animals
mosses are mosses becauseleaf like cells have costa or midrib
mosses are mosses becausechloroplasts are "lens" shaped
mosses are mosses because"leaf-like" structures are haploid, not lobed or divided and usually one-cell thick
special types of rootsprop roots, parasitic roots
vascular cambiummitotic region of xylem & phloem
microphyllscale-like leaf that vascular plants have
angiosperm"Flowering plants"
angiosperms-how many years ago?200 million years ago
2 classes of flowering plantsMonocots & Dicots
Types of horsetails in Ohio2
What do horsetails use to reproduce?Spores and Rhizomes
Seeds in Kiwi's800
zylumconducts water, like plumbing

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