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Living Things and the Environment
Chapter 11 Vocabulay Terms
19
Science
8th Grade
12/02/2013

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Term
environment
Definition
everything that surrounds an organism and acts upon it
Term
ecology
Definition
study of the relationship between living things and their environments
Term
interact
Definition
process of organisms acting upon one another or on the nonliving parts of their environment
Term
populations
Definition
group of the same kind of organisms living in a certain place
Term
community
Definition
all the populations that live in a certain place and can interact with one another
Term
ecosystem
Definition
group of communities interacting with each other and the nonliving parts of the environment
Term
habitat
Definition
place where an organism lives
Term
niche
Definition
role, or job, in its habitat
Term
limiting factor
Definition
condition in the environment that puts limits on the size a population can grow to
Term
carrying capacity
Definition
largest population size that can be supported by the available resource of an area
Term
range
Definition
area where a type of animal or plant population is found
Term
climate
Definition
average weather of an area over a long period of time
Term
biome
Definition
large region with a characteristic climate and plant and animal communities
Term
succession
Definition
gradual change in population of organisms that occurs when the environment changes
Term
climax community
Definition
last community in a succession
Term
natural resources
Definition
material found in nature that is used by living things
Term
renewable resource
Definition
natural resource that can be reused or replaced
Term
nonrenewable resource
Definition
natural resource that cannot be reused or replaced
Term
conservation
Definition
wise use of natural resources
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