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Ecology Part 2

Vocabulary words on Feeding Relationships

QuestionAnswer
food chain a model that represents the transfer of energy from one organism to another in one direct line
food web a model that shows all of the food relationships in a community
energy pyramid a model that shows how energy is lost through a food chain; the producers at the bottom of the pyramid have the most energy. Animals gain only a small amount of energy from the food they eat.
decomposer an organism that breaks down dead material
predator an animal that hunts, kills, and eats other animals to survive
prey an animal that predators consume
consumer any organism that eats food
producer an organism that makes it's own food through photosynthesis; example: PLANTS
carnivore a consumer that eats only meat
herbivore a consumer that eats only plants
omnivore a consumer that eats plants and/or meat
competition when 2 or more organisms struggle/fight for the same resource
photosynthesis a process where plants use sunlight to synthesize (make) glucose (sugar) using carbon dioxide and water
chlorophyll a green chemical in a plant that absorbs sunlight energy for photosynthesis
oxygen a chemical that plants give off as a waste and all living things use in cellular respiration to make energy
cellular respiration a process where a cell uses oxygen to burn up food to make energy
bacteria microorganisms that can decompose dead matter and can sometimes cause infectious diseases
fungi a kingdom of organisms that decompose dead material; includes mushrooms and yeast
nitrogen a chemical that gets cycled in the environment and is necessary for protein building
carbon a chemical that gets cycled from plants to animals during photosynthesis and repiration; is also a major component of sugar (glucose)
scavenger an organism that eats something that is already dead; example: vulture
Glucose simple sugar
carbon dioxide A chemical made from carbon & oxygen ( CO2). Plants use it in photosynthesis, and it is a waste product of cellular respiration.
Created by: tmiron
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