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Chapter 22: Q. 19 (page 571)

Plants use carbon dioxide from the air and are therefore called _____.

a. consumers

b. producers

c. decomposer

d. carbon fixers

Short Answer

Expert verified

Plants use carbon dioxide from the air and are therefore called as producers

Step by step solution

01

Explanation

The organisms which synthesize their own food by using energy and inorganic molecules are referred to as producers. The consumers are those who obtain energy by consuming producers, while decomposers decompose the organic wastes and dead remains of the organism to convert them into inorganic molecules, which are released back to the environment. While autotrophs and heterotrophs are the carbon fixers.

02

Final answer

Hence, the correct option is 'b'.

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Most popular questions from this chapter

The first forms of life on Earth were thought to be_________.

a. single-celled plants

b. prokaryotes

c. insects

d. large animals such as dinosaur

Bioremediation includes _____.

a. the use of prokaryotes that can fix nitrogen
b. the use of prokaryotes to clean up pollutants
c. the use of prokaryotes as natural fertilizers
d. All of the above

Why do scientists believe that the first organisms on Earth were extremophiles?

The presence of a membrane-enclosed nucleus is a characteristic of ________.

a. prokaryotic cells

b. eukaryotic cells

c. all cells

d. viruses

Imagine a region of soil became contaminated, killing bacteria that decompose dead plants and animals. How would this effect the carbon cycle in the area? Be specific in stating where carbon would accumulate in the cycle.
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