The branch of biology that deals with relations of organisms to one another and to their physical surroundings
ecology
a community of organisms and their abiotic environment
ecosystem
a series of steps in which organisms transfer energy by eating and being eaten
food chain
a system of interlocking and independent food chains
food web
a consumer that eats only plants
herbivore
a consumer that eats only animals
carnivore
process that all organisms undergo that releases energy from food
cellular respiration
deals with the whole array of interacting species in a community- all the organisms in an area
community
an organism that is incapable of photosynthesis and must obtain its energy by consuming other organisms
consumer or heterotroph
organism, especially a soil bacterium, fungus or invertebrate, that breaks down dead organisms and returns nutrients back to the soil
decomposer
an organism that is killed and eaten by another organism
prey
something that eats producers
primary consumer, herbivore or 1st level consumer
eats tertiary (3rd level) consumers
quartenary consumer or 4th level consumer
obtain energy by eating primary (1st order) consumers
secondary consumers, carnivore, 2nd level consumer
an animal that eats both plants and animals
omnivore
any living thing
organism
