<span>descriptions of the number, size, and arrangement of parts of the organism.</span>
A soil can be low in ammonium and potassium ions because of increased acidity of the soil. The acidity is caused by hidrogen (H) and Al (alluminuim) ions. There few causes: acid rain, nitrate leaching, rainfall, decompositions of organic matter (leaves, corps etc) due to microorganism activity.
65% would be heterozygous. Because S is a dominant allele, it means that heterozygous plants would have the S allele and be long stemmed. The 35% short stemmed would be homozygous (ss).
The gamete that contains genes contributed only by the mother is an egg
The answer is a complex carbohydrate.