Just Interbreed!
<span>(with reference to an animal) breed or cause to breed with another of a different race or species.</span>
Reversable. :) Hope I helped ya out.
The organism at the lowest level is a more simpler organism but as years pass each layer we can see how that organism is evolving to become more complex. Each layer contains a organism developing and becoming more complex. After the organism has been buried, more sediment, volcanic ash or lava can build up over the top of the buried organism and eventually all the layers harden into rock.
Answer:
Explanation:
during crossing over the two non-sister chromatids change their segments
and it results in genetic recombination which causes difference between parents and their offspring
