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5.A4 Mrs Jensen
Ecology
17
Science
5th Grade
12/12/2011

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Term
ecosystem
Definition
all the living and nonliving parts in an area
Term
ecology
Definition
the study of the relationships among living and nonliving parts of an area
Term
habitat
Definition
the place where a species lives
Term
niche
Definition
the role of a species in an ecosystem
Term
population
Definition
all of the members of one species that live in the same area
Term
community
Definition
all the populations living together in one area
Term
photosynthesis
Definition
the process by which plants use sunlight to make sugar from water and carbon dioxide
Term
producer
Definition
an organism that uses sunlight to make sugar from water and carbon dioxide
Term
consumer
Definition
an organism that consumes other organisms for food
Term
omnivore
Definition
an animal that eats both producers and consumers
Term
herbivore
Definition
an animal that only eats producers
Term
carnivore
Definition
an animal that only eats consumers
Term
scavenger
Definition
an animal that feeds on the bodies of dead organisms
Term
decomposer
Definition
an organism that helps to break down and decay dead organisms and the wastes of living organisms
Term
plants
Definition
provide all the energy that consumers get, directly or indirectly
Term
energy pyramid
Definition
a diagram that compares the amount of energy available at each position, or level, in the feeding order
Term
food web
Definition
a combination of all the food chains in a community
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