34 terms

Ecology Vocabulary (Full Set)

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Terms in this set (...)

ecology
study of interactions between organisms and their environment
ecosystem
community of organisms and their non-living environment
community
populations of different species that live and interact in an area
population
a group of individuals of the same species living in the same area at the same time
producer
organisms that make their own food, usually by using the energy from sunlight to make sugar
decomposer
an organism that gets energy by breaking down remains of dead organisms or wastes and consuming or absorbing nutrients
consumer
an organism that eats producers or other organisms for energy
herbivore
a consumer that eats plants
carnivore
a consumer that eats animals
omnivore
a consumer that eats a variety of organisms
scavenger
an animal that feeds on the bodies of dead animals
competition
two or more species or individuals trying to use the same limited resource
predation
a relationship between two species of organisms in which one is a predator that eats the other for food, which is its prey
predator
an organisms that eats other organisms
prey
an organisms that is eaten by another organism
symbiosis
a close long-term association between two or more species
parasite
an organism that feeds on another living creature, usually without killing it
host
an organism that supports another organism (often a parasite)
parasitism
a symbiotic association in which one organism benefits while the other is harmed
commensalism
a symbiotic relationship in which one organism benefits and the other is unaffected
mutualism
a symbiotic relationship in which both organisms benefit
abiotic
nonliving parts of an ecosystem
biotic
living things in an ecosystem
producer
producer, consumer, or decomposer?
consumer
producer, consumer, or decomposer?
decomposer
producer, consumer, or decomposer?
herbivore
carnivore, herbivore, or omnivore?
carnivore
carnivore, herbivore, or omnivore?
omnivore
carnivore, herbivore, or omnivore?
parasitism
sea lamprey attach themselves to fish to feed on their blood
commensalism
some plants have curved spines on their seeds allowing them to stick to the fur of animals and be spread over a larger area
mutualism
some bacteria live in human intestines and break down food that humans can't digest on their own
predation
a lady bug eats an aphid
competition
when a wolf pack kills a moose, all of the wolves want to eat
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