Eco
n. the periodic passage of groups of animals
migration
n. the periodic passage of groups of animals
migration
n. a living thing that can act or function independently
organism
n. an animal or plant that lives in or on a host
parasite
n. any substance that can be metabolized to give energy
nutrient
n. organisms interacting with their physical environment
ecosystem
n. the type of environment in which an organism normally lives
habitat
n. any animal that feeds chiefly on grass and other plants
herbivore
n. status or place of an organism within its environment
niche
n. an animal that feeds on both animal and vegetable substances
omnivore
n. the act of contending with others for rewards or resources
competition
n. an organism that cannot make its own food supply
consumer
n. an organism that breaks down dead animal and plant matter
decomposer
n. the relation between two organisms that benefit each other
mutualism
n. organism capable of synthesizing its own food
producer
v. exploit the natural surroundings to disguise something
camouflage
n. a terrestrial or aquatic flesh-eating mammal
carnivore
n. when one organism benefits from another without damaging it
commensalism
adj. mutually reliant
interdependent
n. any animal that feeds on refuse and other decaying matter
scavenger
adj. able to synthesize its own food
autotrophic
n. major ecological community with distinct climate and flora
biome
n. group of interdependent organisms living in the same region
community
adj. nourished by organic compounds (such as plants or animals)
heterotrophic
n. the relation between two interdependent species of organisms
symbiosis