A) Crossing over is the mechanism of genetic variation that results from the exchange of gene segments between non-sister chomatids.
Answer:
it is known as the powerhouse of he cell
Explanation:
this is because it extracts energy from food through cellular respiration
9) Richter scale
10)Seismograph
11) measurement of the amplitude of the largest wave
I do believe to are correct
It is a prehistoric bug that is mostly closely related to the arachnids of today. I lacks a spinneret though. It is one of the first trigonotarbids to ever be described. (It looks like a spiky tick. Seriously)