What do you notice about the size of the head in relation to the other parts of the body as a person grows older?

What feature of cell theory is best demonstrated in the image

According to this food web which of the following would be considered primary consumers

Agene pool: a) is the collection of all the alleles found in a single species b) is the collection of all the alleles found in a single population c) is the collection of all the chromosomes found in a single population d) is the collection of genes in a species that allow the individuals to swim