Group of ecosystems that have the same climate and similar dominant communities
Group of organisms of one type (species) that live in the
same area
An individual living thing
The part of the earth that contains all living things. The sum
of all the ecosystems.
All the biotic and abiotic factors in a defined area
Populations of living organisms that live together and
interact with each other in a defined area. Does not include
abiotic factor
:: organism
:: population
:: community
:: ecosystem
: biome
: biosphere