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7th grade science vocabulary.
the relation between two different species of organisms that are interdependent
movement of individuals into an area occupied by an existing population
movement of individuals out of a population
any animal that lives by preying on other animals
animal hunted or caught for food
an interaction in which one organism captures and feeds on another organism
the ratio of live births in an area to the population of that area
the ratio of deaths in an area to the population of that area
number of individuals per unit area
largest number of individuals of a population that a environment can support
factor that causes the growth of a population to decrease
process by which individuals that are better suited to their environment survive and reproduce most successfully
the behaviors and physical characteristics that allow organisms to live successfully in their environments
the role of an organism in its habitat or how it makes its living
the struggle between two organisms to survive as they attempt to use the same limites resource