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DSMS Ecology

Ecology

QuestionAnswer
unicellular Organism made of only one cell.
multicellular Organism made of more than one cell.
producer An organism that can make its own food by using energy from its surroundings.
decomposer An organism that gets energy by breaking down the remains of dead organisms or animal wastes and consuming or absorbing the nutrients.
consumer An organism that eats other organisms or organic matter.
apex predator an organism at the top of the food chain with no natural predators
mutualism a relationship where both organisms benefit from the interaction
competition a relationship where both organisms are harmed
predation a relationship where one organism hunts and kills the other for food
parasitism a relationship where one organism benefits while the host organism is harmed
ecosystem the interacting organisms and their environment
ecology the study of interacting organisms and their environment
biotic the living factors of an ecosystem
abiotic the nonliving factors of an ecosystem
food chain a succession of organisms that are connected by the transfer of energy and nutrients
food web a system of interlocked and interdependent food chains
energy pyramid a model of energy amount and flow at each trophic level
carnivore a consumer that only eats other animals
herbivore a consumer that only eats plants
omnivore a consumer that eats both plants and other animals
zooplankton tiny, free-floating consumers
phytoplankton tiny, free-floating producers
native species organisms that naturally live in an area
invasive species organisms that enter new ecosystems and multiply, harming native species and their habitats
carrying capacity the largest number of individuals of a population that an environment can support.
population a group of the members of a species that live in the same area
Created by: csimpson
 

 



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