Which statement describes natural selection? it is the primary mechanism for evolution. it must act on structural traits. it acts to cause overpopulation. it causes learned skills to become heritable traits.

It is the primary mechanism for evolution. -describes natural selection.

This natural selection is a process which was first proposed by Charles Darwin and it states that the organisms which better adapt to their environment tend to survive and produce more offspring. This theory is now believed to be the main process that brings about evolution.

answer; ///i believe the answer is (antioxidant);

the right side of the picture going down is:

polymerase

protein

transport vesicle

modified protein

the left side of the picture going down is:

dna helix

single-stranded rna

endoplasmic reticulum

ribosome

golgi apparatus

protein released from vesicle

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