4th Grade Science Unit 7 Energy and Ecosystems Vocabulary

Name (first and last)

Homeroom

The role or job of an organism in its habitat

• ecosystem
• community
• niche
• population

Shows how much energy passes from one organism to another up a food chain

• consumers
• food chain
• food web
• energy pyramid

Organisms that make their own food

• producers
• food chain
• decomposers
• consumers

The transfer of food energy from one organism to the next in an ecological community

• consumers
• decomposers
• energy pyramid
• food chain

Organisms that break down waste and the remains of dead organisms

• producers
• food chain
• decomposers
• consumers

An individual animal, plant, or single-celled life form

• overabundant
• organisms
• scarce
• extinct

Excessive in quantity/too many of an organism live in a certain area

• overabundant
• organisms
• scarce
• extinct

Low supply of a plant or animal in particular area

• extinct
• overabundant
• organisms
• scarce