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U6 - Flow of Energy

Flow of energy, food chains and food webs

primary consumer eats plants (producers) that make their own food
secondary consumer eats the primary consumer
10% rule only 10% of the total energy produced at each trophic level is available to the next level - the remaining energy is passed up to the above levels
autotroph an organism that uses light energy from the sun to make its own food
carnivore a consumer that eats other animals - meat eaters
consumer an organism that eats other organisms
decompose the process by which dead plants and animals are broken down
decomposer an organism that gets energy by breaking down the remains of dead organisms or animal wastes, and consuming or absorbing the nutrients
energy pyramid a diagram that shows the amount of energy that moves from one feeding level to another in a food web
food chain a series of steps that traces the path of energy as it moves from organism to organism in an ecosystem
biomass the total mass of living organisms in a given area
photosynthesis the process by which producers (plants) use the energy in sunlight to create their own food
chlorophyll the green pigment in the chloroplast of plant leaves that absorbs lsunlight for photosynthesis
glucose and oxygen the products of photosynthesis
trophic level the position that an organism occupies in a food chain, food web, or energy pyramid (producer, primary consumer...)
green leaves the place in a plant where photosynthesis occurs
carbon dioxide a gas in the air that plants need for photosynthesis to take place
light energy also called radiant and solar energy
food web many food chains that are interconnected
herbivore an animal that only eats plants
omnivore an animal that eats both plants and animals
predator an animal that kills and eats other animals
producer a plant that makes its own food
water and carbon dioxide the reactants of photosynthesis
sun the original source of energy
tertiary consumer eats the secondary consumer that eats the primary consumer
arrows show the direction of energy movement in a food chain
prey the organism that is killed and eaten by a predator
heterotroph an organism that cannot use the suns energy for making its food
chloroplast an organelle that contains chloroplasts where photosynthesis takes place
cellular respiration the breakdown of glucose to release energy
Created by: Blackcat8765
Popular Ecology sets




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