How does an increase in organic matter in soil and an increase in soil depth affect the population of plants in an area?

Mr. olajuwan was in a horrific snowmobile accident. afterwards he had trouble walking and he had a loss of balance. which of the 4 major brain region was probably demaged

If a human has 23 pairs of chromosomes in every muscle cell of its body how many chromosomes will be in a human egg or sperm

Select the correct answer. what is the observable characteristic of a person called? o a. genotypephenotypeoc. alleleo d. gene