Vocabulary Test ( Unit 4: Role of Organisms and Flow of Energy )

a model made of intersecting food chains

• Ecosystem
• Bacteria
• Producer
• Food web

single-celled organisms that are too small to see with the human eye. (They are a type of germ that can be found almost everywhere on Earth, including in and on the human body)

• Bacteria
• Producer
• Extinction
• Apex predator

A sequence of living things in which each one feeds on the living thing below it.

• Consumer
• Ecosystem
• Food Chain
• Extinction

Organisms that eat producers and get their energy from them

• Bacteria
• Decomposer
• Endangered
• Consumer

A living thing that is no longer found alive anywhere on Earth today.

• Endangered
• Extinction
• Bacteria
• Apex predator

Living things that break down dead and decaying organisms. (The most common are bacteria and fungi)

• Decomposer
• Apex predator
• Extinction
• Producer

something is in danger of disappearing forever

• Consumer
• Ecosystem
• Food web
• Endangered

A community of interacting organisms and their environment. Living things interact with each other, and also with non-living things (ex: animals, plants, and bugs interact with water, rocks, and the sun).

• Ecosystem
• Food Chain
• Bacteria
• Food web

An animal found at the top of a food web and is not eaten by any other animals. (ex: sharks, owls and lions.)

• Apex predator
• Extinction
• Bacteria
• Consumer

A living thing that takes energy from the sun and makes its own food. (almost always a plant)

• Bacteria
• Consumer
• Decomposer
• Producer