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9 Biology Terms

TermDefinition
omnivore organisms that eat both plants & animals
abiotic nonliving factors
interdependence living things are linked together in an ecosystem
aquatic water-based
food chain a step-by-step feeding sequence
producer organisms that can make their own food
niche the job or role of an organism
ecosystem a specific place and all of the biotic & abiotic factors in it
scavengers organisms that consume dead material for food
ecology the study of living things & their relationships
biology the study of living things
herbivores organisms that only eat plants
food web a diagram that shows all feeding relationships
terrestrial land-based
carnivore organisms that only eat other animals
biotic factors that are living things
biodiversity the number of different species in an ecosystem
consumers organisms that must eat other organisms for food
decomposers organisms that consume dead material and recycle directly
mutualism a relationship where both species benefit
matter has mass and takes up space
commensalism relationship where one species benefits and the other is not affected
trophic level a level in a food chain
energy pyramid diagram that represents the energy flow in a food chain
invasive non-native species
parasitism relationship where one species benefits & the other is harmed
predation relationsip where one species hunts another
energy does not have mass and does not take up space
competition relationship where one species competes with another
sustainable an ecosystem can survive over time
natality birth rate
mortality death rate
emigration individuals move out of an area
immigration individuals move into an area
bioaccumulation build-up of toxins in an organism
biomagnification increasing toxins in a food chain
habitat change an area is changed so much that some species can no longer live there
overexploitation using a resource faster than it can be replaced
pollution any substance that is added to the environment that is harmful to organisms
Created by: Reynolds ths
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