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Chapter 4
Ecosystems
15
Science
3rd Grade
08/28/2013

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Term
food web
Definition
a number of food chains linked together
Term
community
Definition
all the different living things in an ecosystem
Term
environment
Definition
all the nonliving things that surround a living thing
Term
population
Definition
all the plants or animals of the same kind that live in an ecosystem
Term
prey
Definition
an animal that a predator hunts
Term
predator
Definition
an animal that hunts and eats other animals
Term
consumers
Definition
animals and humans that must eat other things to get energy
Term
carnivores
Definition
animals that do not eat plants, but other animals instead
meat eaters
Term
omnivores
Definition
animals that eat both plants and animals
Term
herbivores
Definition
animals that eat only plants
Term
ecosystem
Definition
change
made up of all the living things and their environment in a certain area
Term
resources available
Definition
determines the number of living things an ecosystem can support
Term
decomposers
Definition
living things that break down dead things and wastes and add nutrients to the soil
Term
producers
Definition
plants use energy from the sun to make food
Term
food chain
Definition
shows only one source of food for each animal
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