Plants - ISB 202 11-10-11 Plants Willow tree is a salax and...

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ISB 202 11-10-11 Plants Willow tree is a salax and is in aspirin Msitletoe is a parasite living on trees 11-15-11 Gymnosperms don’t have seeds Bryophytes : have no seeds and no plumbing but ferns have plumbing Gymnosperms: Angiosperm: *****Angiosperms feed the world They have flowers “corpse flower” smells like rotting flesh and is a parasite Angiosperms don’t rely on chance pollenation --> they use color and fragrance to attract pollinators Pollen - sperm - unites with egg and the other part of the anthers Gymnosperms produce naked seeds Angiosperms are our major food source Flowers may be: Prefect - having both sexes or imperfect - having only one sex D ifferent species of plants have different flowers some have perfect flowers and some have imperfect flowers - on different plants (dioecious) - on same plant (monoecious) Some angiosperms that affect our food supply: 1. Water needs: love it - hydrophytes and don’t: xerophytes mesophytes - middle in between hydrophytes and xerophytes - most crop plants are
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Plants - ISB 202 11-10-11 Plants Willow tree is a salax and...

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