Question

in the space provided, write the letter of the description that best matches the term or phrase.
______ 4. materials that organisms require need
a. sunlight.
b. plants and algae.
c. to be near earth’s surface.
______ 5. plants need
d. to be continually cycled.
______ 6. the biosphere needs
e. dead plants and animals.
______ 7. organisms (other than plants) need
______ 8. most organisms that live deep in the ocean need

Explanation:

1. Materials that organisms require need to be continually cycled to sustain life processes.
2. Plants need sunlight for photosynthesis.
3. The biosphere needs plants and algae as primary producers.
4. Organisms (other than plants) need dead plants and animals as a source of nutrients when they decompose.
5. Most organisms that live deep in the ocean need to be near Earth's surface - some deep - sea organisms rely on organic matter that sinks from the surface.

Answer:

1. d
2. a
3. b
4. e
5. c