A. the history is the moths that where white where able to blend in the trees before the pollution of the trees causing the trunks to turn black and the frequency of the blacks being seen to be more then the whites
Viruses can’t survive without a host, they have to attach to a cell, unlike bacteria. Viruses are tinier than bacteria.
Answer:
oxygen because that's one of the substance that plants produce.
You can also do this by the process of elimination. Knowing that atrazine impedes the production of substances in plants, we know that it can't be DNA and Phospholipid. Carbon Dioxide is used by plant, not produced; thus, oxygen is the answer.
The chromosomes of the offspring come from the parents. The offspring has 46 total chromosomes where 23 come from the mother and 23 from the father.