Help me and answer these questions

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

Explain why biological control methods are generally environmentally superior to chemical pest control methods.

In order to study genetic mutations, scientists must study genetic material. which statement describes the genetic material scientists are most likely studying? a) they study alleles that contain chromosomes, which are rna.b) they study alleles that contain genes, which are chromosomes.c) they study chromosomes that contain genes, which are dna segments.