<span>The inserted genes may have unexpected harmful effects.</span>
The Fossil Record. Fossils provide evidence that organisms from the past are not the same as those found today, and demonstrate a progression of evolution. Scientists date and categorize fossils to determine when the organisms lived relative to each other.
Brainliest please
Sexual reproduction offers genetic variation, as the offspring are a combination of 2 sets of genes opposed to one. This ultimately leads to evolution and the adaption to changing environments :)
The answer is A, delta.
I know this because i had this on USATestPrep and got it correct :D
