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Matter/Energy in Eco

Matter Flow in Ecosystems

TermDefinition
ecosystem all living and nonliving things in an area that interact with each other
biodiversity the many different types of organisms that live in an environment
producer organism that makes its own food through photosynthesis
consumer an organism that must eat other living things to survive
predator an animal that hunts and eats other animals
prey an animal that is hunted and eaten by other animals
food chain a model that shows how energy flows through a set of feeding relationships
food web a model that show many different feeding relationships that pass energy in a single environment
limiting factors anything that controls the growth or survival of a population
Sun main source of energy in all ecosystems
decomposers organisms that break down dead plants or animals and return nutrients into the ecosystem
plant needs water, sunlight, air (carbon dioxide)
animal needs food, water, shelter, oxygen
energy the ability to do work or cause change; comes from the sun, passed through ecosystems by feeding relationships
cycle process that repeats
decomposition to break down into simple nutrients
recycle to create new materials from used materials
biotic living things-plants, animals, fungi, bacteria, protists
abiotic non-living things; climate, soil, rocks, temperature, precipitation
glucose, starch or fat energy storage molecule
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