Brainpop - Ecosystems - NICHOLAS GLAESER | Biblioteka

1

Which of the following might be found in a freshwater ecosystem?

All of the above

Interactions among fish

Rocks and shells

Water-dwelling bacteria

5.9.A

1

A habitat is:

Nonliving things

Resources in an ecosystem

Interactions between species

Where a species lives

5.9.A

1

Which choice refers to a single population in this image?

The zebras

The plants

The animals

The water

5.9.A

1

The relationships a population has with others in its community are:

Always harmful

Always beneficial

Neither harmful nor beneficial

Sometimes harmful and sometimes beneficial

5.9.A

1

Where does the energy in most ecosystems originate?

Water

Producers

Air

Sunlight

5.9.A

1

Which human job is most similar to the role of a producer?

Waste management specialist

Business entrepreneur

Energy plant worker

Restaurant critic

5.9.A

1

Consumers get their energy:

Directly from sunlight

All of the above

By breathing

From eating other organisms

5.9.A

1

Which sign best represents the role of decomposers?

5.9.A

1

5.9.A

1

Cars, planes, and factories affect the carbon cycle by:

Releasing more carbon than ecosystems can absorb

Absorbing carbon from the ecosystems around them

Heating up their surroundings

Producing energy

5.9.A