SCIENCE 1108 ST

set of factors acting upon an organism to determine its survival

• habitat
• population
• environment
• biosphere

living factors relating to organisms in their environment

• biotic
• abiotic
• ecology
• algae

nonliving factors relating to organisms in their environment

• ecology
• environment
• abiotic
• biotic

study of how organisms interact with one another and with their environment

• environment
• habitat
• ecology
• biosphere

natural environment in which a species lives

• community
• habitat
• environment
• ecology

individual life form residing in a specific habitat

• algae
• population
• organism
• biotic

group of organisms of the same species living in a particular habitat

• community
• population
• environment
• ecology

group of two or more populations that occupy the same area at the same time and experience at least some degree of interaction

• ecology
• environment
• community
• organism

Unless outside forces act upon one or more populations within the community ecological ___________ is maintained in a community.

A system of living organisms interacting with both biotic and abiotic factors in their environment is known as ___________.