13 terms

something about science

STUDY
PLAY

Terms in this set (...)

PRIMARY PRODUCERS
make their own food from sun/chemicals, they are the base of the food chain (AKA-autotrophs)
PRIMARY CONSUMERS
animals that eat primary producers, herbivores—plant eaters
SECONDARY CONSUMERS
animals that eat primary consumers, carnivores—meat eaters / omnivores—plant & meat
TERTIARY
eat secondary consumers (carnivore)
DETRITIVORES
eat dead organisms (vultures, worms, crabs, dung beetle)
DECOMPOSERS
an organism, usually a bacterium or fungus, that breaks down the cells of dead plants and animals into simpler substances
FOOD WEB
a series of organisms related by predator-prey and consumer-resource interactions in an ecological community
FOOD CHAIN
a series of organisms interrelated in their feeding habits, the smallest being fed upon by a larger one, which in turn is fed upon by a larger one, etc.
PREDATOR
any organism that exists by preying upon other organisms
PREY
an animal hunted or seized for food, especially by carnivorous animals
TROPHIC
level of an organism in the position it occupies in a food chain
PARASITE
an organism that lives on or in an organism of another species, known as the host, from the body of which it obtains nutrients.
HOST
a living animal or plant from which a parasite obtains nutrition.
YOU MIGHT ALSO LIKE...