Photosynthesis occurs in the leaves
17 protons 18 neutrons and 18 electrons
i think it is food because an energy pyramid’s shape shows how the amount energy that enters each level .(chemical energy) witch i believe is in the form of food ,which decreases as it is used by other animals in the same level.
One of the things that controls population growth is the availability of food, the birth rate and death rate, the maximum carrying capacity of an area, and disease.
Answer:
The correct answer would be multiple alleles.
Multiple allele refers to the condition in which a gene exists in more than two alternative forms in a population that is, it has more than two alleles.
Different allele may provide different traits to the organism.
For example, in humans, blood types or groups are determined by three alleles
,
and <em>i.</em>
Three alleles produce four types of blood groups (phenotypes) which are A, B, AB, and O.