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Ecology Vocabulary

environment everything that surrounds an organism and acts upon it
ecology study of the relationship between living things and their environment
producer organism that makes its own food
population group of the same kind of organism living in a certain place or community
community all the populations that live in a certain place and can interact with one another
ecosystem group of communities interacting with each other and the nonliving parts of their environment
consumer organism that obtains food by eating other organisms
herbivore consumer that eats only plants
carnivore consumer that eats only animals
omnivore consumer that eats both plants and animals
scavenger animal that eats only dead organisms
decomposer organism that breaks down the wastes or remains of other organisms
interact process of organisms acting upon one another or on the nonliving parts of their environment
habitat place where an organism lives
niche role or job of an organism in its habitat
limiting factor condition in the environment that puts limits on the size a population can grow to
producer organism that makes its own food
primary consumer an organism that eats producers
secondary consumer an organism that eats primary consumers
tertiary consumer eat secondary consumers
food chain way of showing how the energy from food moves through populations of organisms in a community
food web way of showing how food chains are related
energy pyramid way of showing how energy moves through a food chain
competition struggle of organisms for resources in an ecosystem
predation relationship in which one organism kills and eats another organism
prey organism that is killed and eaten by another organism
symbiosis relationship between different species living in close association with one another
mutualism relationship between two different kinds of organisms that benefit both of them
commensalisms relationship between two different kinds of organisms in which one benefits and the other is unaffected
parasitism relationship between two different kinds of organisms in which one lives on or in another organism and causes it harm
host organism a parasite feeds on
adaptation trait that helps an organism survive in its environment
water cycle repeated movement of water between earth's surface and its atmosphere
evaporation changing of a liquid to a gas
transpiration process by which plants lose water through the stomata in their leaves
condensation changing of a gas to a liquid
carbon cycle repeated movement of carbon between earth's surface and organisms
fossil fuel nonrenewable energy source formed from remains of plants and animals that lived and died long ago
nitrogen cycle repeated movement of nitrogen compounds between the atmosphere, the soil, and living organisms
Created by: jutobr