Given a parent genotype of AA, what are the possible gametes that they can produce? Plz someone Help

Acladogram is a branching diagram that represents suggested evolutionary relationships among organisms based on the presence of unique traits. a scientist discovers a new organism that lacks limbs and does not have a true backbone. the organism lays eggs to produce offspring and has a cartilage-like rod known as a notochord running along its dorsal surface. on the cladogram below, select the species to which the newly discovered organism is most closely related.

Chicken pox and hepatitis are bacterial diseases. true or false?

How does natural selection change thephenotypes within a population over time?