What chronicles how organisms evolved through history?

a heredity

b fossil record

c natural selection

d punnett squares

Natural Selection shows how organisms evolved over history. Natural Selection allows organisms best suited to their environment to survive, while the others will not survive. The species as a whole will evolve due to traits that were passed to surviving offspring, which allows us to see how the species evolved over time.

:)

would be the second part, plants.

energy (sun) -> producers -> consumers -> decomposers