topic 9 - ecosystems (ecosystems) Flashcards
competition
when different organisms compete for the same resources in an ecosystem
community
all the different living organisms living and interacting with one another in a particular area
ecosystem
an area where all the living organisms and all the non-living physical factors in an area form a stable relationship that needs no input from outside the area to remain stable
habitat
the place in which an organism lives
population
a group of one species living in the same area
species
a group of similar organisms that can breed together to produce fertile offspring
environment
description of the habitat. The surroundings or conditions in which an animal or plant lives
abundance
a measure of how common something is in an area.
food chain
flow of energy from producer to consumer
decomposer
an organism that breaks down dead or undigested organic material