Who colonized DRC/ Democratic republic of the congo: ​

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

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes

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.