U2 Ecosystems: Interactions of Living Things

a living thing in an ecosystem, such as a plant, an animal, or a bacterium

• Abiotic factor

• Biotic factor

• Niche

• Food Web

the effects on the ecosystem that are a result of the nonliving parts of that ecosystem

• Abiotic Factors

• Biotic Factors

• Consumers

• Producers

the role of an organism in an ecosystem

• Cache

• Biotic

• Niche

• Energy

the path that energy and nutrients follow in an ecosystem

• Food Chain

• Abiotic Factors

• Food Web

• Biotic Factors

the overlapping food chains in an ecosystem

• Ecosystem

• Population

• Food Web

• Species

an organism that eats plants or other animals

• Producer

• Decomposer

• Niche

• Consumer

an organism, such as a plant, that makes its own food

• Herbivore

• Producer

• Consumer

• Decomposer

an organism that breaks down dead plant and animal material

• Consumer

• Decomposer

• Producer

• Carnivore

All the living and nonliving things in an environment

• Ecosystem

• Food web

• Consumers

• Decomposer

Where organisms live in an environment

• Niche

• Habitat

• Biotic

• Abiotic