Ecosystem Vocabulary

Practice these for the quiz and test!

• Organism use energy from sunlight as food

• Study of the interactions between organisms and environment

• Organisms that need to eat other organisms

• Parts of the earth that support life

• Only eats plants

• Eats only flesh, meat

• living

• Eats both plants and flesh

• nonliving

• Decomposers breaks down dead material

• All organisms of the same species in a given area

• Each section of a pyramid

• Interacting populations that live in the same area

• A complex web showing multiple food chains within a biological community

• Biological community and all abiotic factors

• Total mass of all living matter at each trophic level

• Group of ecosystems that share the same climate and have similar types of biological communities

• Anything that takes up space and has mass

• Area where an organism lives

• Capture and conversion of nitrogen into a form usable by plants

• Role or position an organism has in the environment

• Exchange of matter through the biosphere

• One organism eating or hunting another organism

• The relationship that exists when two or more species live together

• Both organisms benefit

• One organism benefits the other is not affected

• One organism benefits while the other is harmed