The study of organisms and their interactions with the environment: 

• Environment
• Ecology
• Ecosystem
• Community

All populations that live in a certain place:

• Population
• Community
• Ecosystem
• Biome

An organisms role or job in its habitat:

• Niche
• Food chain
• Food web
• Trophic level

Showing how energy moves through a food chain:

• Trophic Level
• Food Web
• Niche
• Energy Pyramid

Specific place where an organism lives:

• Habitat
• Community
• Population
• Environment

Big region of the earth where you can find certain plant and animal communities:

• Community
• Biome
• Population
• Niche

A way of showing how food chains are interrelated

• Ecosystem
• Niche
• Food Web
• Energy pyramid

Tags

NGSS.MS-LS2-3

Organisms that get food by eating other organisms

• Consumer
• Producer
• Prey

Living things that contribute to an ecosystem

• Biotic factors
• Abiotic factors

Nonliving things that play a role in an ecosystem

• Biotic
• Abiotic