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Science Test 3/8/11
concepts of photosynthesis and food chains/webs
| Question | Answer |
|---|---|
| stomata | small openings in the bottom of leaves |
| chlorophyll | a green pigment in plant chloroplasts that is important in photosynthesis |
| photosynthesis | the process during which a plant's chlorophyll traps light energy and sugars are produced |
| respiration | a series of chemical reactions that breaks down food molecules and releases energy |
| producer | an organism that use an outside energy source to make energy-rich molecules |
| consumer | an organism that cannot make their own energy-rich molecules |
| symbiosis | any close relationship between species |
| mutualism | a symbiotic relationship in which both species benefit |
| commensalism | a symbiotic relationship in which one organism benefits and the other is not affected |
| parasitism | a symbiotic relationship in which one organism benefits and the other is harmed |
| niche | the ways an organism survives, obtains food and shelter, and avoids danger |
| decomposer | an organism that consumes wastes and dead organisms |
| carnivore | an animal that feeds on other animals |
| herbivore | a plant eater |
| omnivore | an animal that consumes both plants and other animals |
| prey | a consumer captured and eaten by another consumer |
| predator | a consumer who captures and eats other consumer |
| epidermis | the outer layer of a leaf |
| palisade layer | inner layer of a leaf where most of the food is made |
| spongy layer | inner layer of a leaf where carbon dioxide and water vapor needed to make food are stored |
Created by:
hm6250
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