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Ecology- 8th Grade
any living thing
a group of similar organisms that can breed and produce fertile offspring
group of individuals of the same species that live in the same area
all living, or biotic, things in an area
all biotic (living) and abiotic (nonliving) things in an area
group of ecosystems that have the same climate and dominant communities
series of steps in an ecosystem in which organisms transfer energy by eating and being eaten
network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem
organism that can capture energy from sunlight and use it to produce food
organism that relies on other organisms for its energy and food supply
the area where an organism lives, including the biotic and abiotic factors that affect it
the way of life of a species; its role in an ecosystem
relationship in which two species live closely together
symbiotic relationship in which both species benefit from the relationship
symbiotic relationship in which one organism lives in or on another organism and harms it
an organism that captures and feeds on another organism
the demand by two or more organisms for limited resources, such as nutrients, living space, or light
causes the growth of a population to decrease or not grow any larger
living things within an ecosystem
largest number of organisms that a given environment can support
the variety of organisms in an ecosystem
an organism that feeds on a living organism
an organism on which a parasite lives
an organism that is killed and eaten by another organism
any nonliving part of an environment
a trait that helps an organism survive and reproduce
a characteristic that an organism can pass on to its offspring through its genes.
an organism that breaks down wastes and dead organisms
A long period with little or no rain.
an organism that makes its own food
An organism that cannot make its own food and gets food by consuming other living things
Located in bodies of fresh water, such as lakes, ponds, and rivers
Located in bodies of salt water such as oceans and seas
Located on land
symbiosis that is beneficial to both organisms involved.
symbiosis between two organisms in which one benefits and the other neither benefit nor is harmed.
symbiosis that is beneficial to one organism and harms the other organism
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