Science: Unit 4, Lessons 1-2

A community is...

• all the same species living in different ecosystems.
• made up of one kind of population living in one place.
• made up of different populations that depend on one another.
• made up of different populations that do not interact with one another.

What is the role of people in a food chain?

• consumer
• carinvore
• producer
• herbivore

In a swamp, archerfish live among the tree roots.  In or near the water, heron feed on fish, frogs, and insects.  Which term describes each group of living things?

• population
• niche
• ecosystem
• community

Why are producers important in an ecosystem?

• They consume food for other consumers.
• They produce food for other producers.
• They produce food for consumers.
• They break down remains of dead plants.

Which animal from the grassland food chain, is a carnivore?

• 1
• 2
• 3
• 4

A community of organisms and the physical environment in which they live is called a(n)...

• niche
• habitat
• population
• ecosystem

A place in the environment that meets the need of an organism is called a(n)...

• ecosystem
• niche
• population
• habitat

An organism that makes its own food is called a(n)...

• consumer
• producer
• endangered species
• conservation

Organisms whose whole kind is at risk of dying out are called...

• conservation
• producer
• consumer
• endangered species

An organism's role in its habitat is known as its...

• habitat
• population
• niche
• ecosystem