Answered

In order for biological evolution to occur, the ______ of an organism must change and be passed on to offspring.

blood

DNA

cells

bone structure

Verified Answer :

pegah

the answer is DNA . the DNA is a genetic material of an organism. :))
i hop this be helpful
happy new year

DNA would be your answer. This is because the DNA is what holds all the genetics such as the eye color and hair color and head size etc. Each organism has his/her own set of DNA.

So, DNA is your answer.

Hope I helped ya!!

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