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Science Test 3/8/11

concepts of photosynthesis and food chains/webs

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