Ecosystems

A biotic factor is something that

Consumers that get the energy they need by breaking down dead or decaying matter are called

In the same food chain, what would happen to the population of snakes if the grass disappeared?

An ecosystem is a system of

Animals that eat only meat are called

True or false: Plants have adaptations

An abiotic factor is something that

True or False: A puddle can be an ecosystem

Which of these human actions could negatively affect the population of salmon in a stream?

What is an organism?

Organisms that use light energy to produce food are called

In a grass → grasshopper → frog → snake food chain, which organism is a producer?

A place in which organisms live is called

The food of almost any kind of animal can be traced back to

All members of one kind of organism that live in the same area are called

Which adaptations tell us that an animal is a predator?

Which is not an adaptation of a wolf?

Plants need these things to live

Which of the following organisms in an ecosystem is a decomposer?

Which of the following is a consumer?

The sun is

Why were there more willow and aspen trees in Yellowstone after the introduction of wolves?

Which two things are living?

Plants are

Ecosystems contain: