18 terms

7th grade science test of 10-24-18

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Terms in this set (...)

ecology
study of interactions that occur among organisms and their environment
Biosphere
the part of the earth that supports life; including the crust, water, and the atmosphere
biome
large community of plants and animals occupying a habitat
ecosystem
a biological community of interacting organisms and their physical environment
community
all the populations in an ecosystem
population
makes up all organisms in an ecosystem that belong to the same species
habitat
the place in which an organism lives, must provide food, shelter, correct temperature, and the correct amount of moisture
producers
organisms that use an outside energy source to make their own food
consumers
organisms that cannot make their own food
symbiosis
interaction between two different organisms living in close physical association
Mutualism
symbiosis that is beneficial to both organisms involved
commensalism
an association between two organisms in which one benefits and the other isn't effected
parasitism
One organism benefits and the other is harmed
Niche
a position taken by a kind of organism within its community
Decomposer
an organism that decomposes organic material.
succession
the process by which a plant or animal community successively gives way to another until a stable climax is reached.
food web
a system of interlocking and interdependent food chains.
Cycle of Matter
The continuous movement of different types of matter through the biosphere