plants are multicellular ___________
plant cell walls are made of ____________
plants obtain glucose through ____________
plants tend to grow in the direction that gravity pulls them (roots of plants grow down into the soil)
specialized crescent-shaped cells that control the opening and closing of a stomata
openings in a leaf through which gases and water enter or leave
plant tissue made of hollow cells called tracheids; transport water in vascular plants
plant tissue that transports nutrients and carbohydrates in vascular plants
pollen is produced and released by the _____________
when the pollen from one flower is used to fertilize the eggs produced by that same flower (true-bred flowers)
when the pollen from one flower is used to pollinate another flower
sexual, nonvascular, have spores, near water so that sperm can swim to reach eggs and fertilize them
sexual, vascular, have spores, require at least a thin film of water so sperm can reach eggs
sexual, vascular, have seeds, does not require water for fertilization, reproduces through pollination, also called gymnosperms
sexual, vascular, have seeds, does not require water, reproduces through pollination, has flowers and seeds, also called angiosperms
example of bryophyta
example of pterophyta
example of coniferophyta
example of antherophyta
has a single cotyledon
has a double cotyledon
has parallel veins on leaves
has branched veins on leaves
floral parts often in multiples of threes
floral parts often in multiples of fours or fives
has vascular bundles scattered throughout stem
has vascular bundles arranged in a ring
has fibrous roots
corn, grass, lilies
examples of monocots
examples of dicots
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