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Which statement indicates what the fossil record suggests about evolution on Earth?

Humans have only recently existed on Earth.
Organisms originally lived only on land.
Life on Earth started before water formed on Earth.
Multicellular life evolved before complex single-celled life.
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Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.

In two sentences explain the differences of neutrophil and macrophage

Which fossil organism in whale evolution do you think was the first to live mostly in water? explain your claim with evidence and reasoning?