Aspecies of fish follows sharks, feeding off their scraps and relying on them for protection. the shark does not benefit and is not harmed. this is an example of

a. connections
b. commensalism
c. parasitism
d. mututalism

The production of cells during mitosis into specialized function is recombination or differentiation

Which of the following statements about archaea and bacteria is true? a. neither is single-celled. b. they both have nuclear membranes. c. neither reproduces by binary fission. d. they both lack a nuclear membrane.

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.