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Matter in Ecosystems

Matter Flow in Ecosystems 2.2 5th grade

TermDefinition
ecosystem all living things in an area that interact with each other
bidiversity 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 any 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
environment all the living and non-living things that surround an organism
organisms any individual living thing; plant, animal, protist, bacteria, fungi
nutrients a substance such as a fat, a protein, or a carbohydrate that a living thing needs to survive
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
Created by: ledee.workman
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