Answer:
<h3>a) allow pollen grain to stick to insect</h3>
The addition of acetyl groups to histones is associated with chromatin condensation and and higher levels of gene expression
Answer:
macroevolution
Explanation:
Macroevolution occurs due to the genetic differences accumulates in the population of the same species which gets reproductively isolated from the older population and got different environments and resources to live.
Macroevolution leads to the creation of a new species over a long period of time because of the genetic difference that occurs due to mutation in the gene in the population who got reproductively isolated. So the new species evolved from the macroevolution.
Like oil and gas an sometimes the sun
