Question

multiple choice question
which of the following statements is incorrect regarding the appearance of organisms in earth’s history?
○ archaea and bacteria appeared on earth around the same time
○ bacteria preceded mammals on earth
○ humans preceded most reptiles and insects on earth
○ the first living organisms were single - celled.
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Explanation:

Reptiles and insects have been on Earth for hundreds of millions of years. Humans, as a species, have only existed for a few million years at most. So humans did not precede most reptiles and insects. Archaea and bacteria are among the earliest life - forms and likely appeared around the same time. Bacteria are ancient life - forms and mammals evolved much later. The first living organisms were single - celled, which is a well - established fact in evolutionary biology.

Answer:

C. Humans preceded most reptiles and insects on earth