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Ecology Vocab

Across
organism or species that colonize rock and helps in the development of soil
the demand for resources, such as food, water, and shelter, in short supply in a community
a factor that can limit the growth of a population
differences in traits among organisms of the same species
the variety of life in the world or in a particular habitat or ecosystem.
all the living and nonliving things in an area
the range of conditions that an organism can withstand
the place within an ecosystem where an organism lives
an organism that must obtain its energy by consuming other organisms
group of individuals of the same species that live in the same area at the same time
environmental change that occurs quickly
organism that obtains energy by eating only plants (vegetation)
non-living things in an ecosystem
a group of living organisms consisting of similar individuals capable of exchanging genes
Environmental change that occurs slowly over time
Down
A relationship between two organisms of different species in which one organism feeds on the other organism
the property of biological systems to remain diverse and productive indefinitely
A model that shows the flow of energy through an ecosystem
the way a species interacts with abiotic and biotic factors to obtain food, find shelter, and fulfill other needs
A relationship between two organisms of different species where one benefits and the other is harmed
organism that obtains energy by eating both plants and animals
organism that obtains energy by eating animals (meat)
a species that has died out
type of ecological succession that happens to an area that has preexisting soil and has been previously inhabited by life
A type of ecological succession that happens to an area without vegetation, and is barren or lifeless
Living things in an ecosystem
a model that shows how food chains link together and interact
An organism that provides a source of energy for a another organism to live on