Unit 2 "Interactions of Living Things"

the study of the interactions of living organisms with one another and each other

• Biology

• Ecology

• Geography

• Astronomy

a triangular diagram that shows an ecosystem’s loss of energy, which results as energy passes through the ecosystem’s food chain

• Energy Pyramid

• Food Pyramid

• Ecosystem Pyramid

• Biosphere Pyramid

a group of organisms of the same species that live in a specific geographical area

• Community

• Population

• Demography

• Ecosystem

a diagram that shows the feeding relationships between organisms in an ecosystem

• Foodcourt

• Food Pyramid

• Food Web

• Food Chain

a community of organisms and their abiotic, or nonliving, environment

• Environment

• Symbiosis

• Biosphere

• Ecosystem

The role of a species in its community, including use of its habitat and its relationships with other species

• Symbiosis

• Niche

• Habitat

• Ecosystem

An organism that eats other organisms or organic matter

• Herbivore

• Consumer

• Producer

• Decomposer

The place where an organism usually lives

• Habitat

• Niche

• Ecosystem

• Community

An environmental factor that is associated with or results from the activities of living organisms

• Mutualism

• Biome

• Abiotic Factor

• Biotic Factor

A group of organisms that are closely related and can mate to produce fertile offspring

• Commensalism

• Mutualism

• Species

• Symbiosis