C. Chromosomes because they are need to have the cell funtion.
Primary succession is a method of fertilizing soil that was barren and had never supported plant life, for example soil left over by a moved glacier of lava.
The soil is first "normalized", using pioneer species such as lichens, algae and fungi.
After this, plants able to survive in less harsh conditions such as grasses.
Therefore, the fertility of soil during early years of primary succession does not increase much and it is a process that involves a long period of time.
Light energy from the sun and water is needed by the plant to facilitate the light dependent reactions.
More pesticide-resistant insects. just like bacteria and viruses, insects are growing immunity's to pesticides thus stronger pesticides are needed. <span />
Answer:
It is used to determine a fossils approximate age by comparing it to similar rocks and fossils of known ages.
