Humans and gorillas have one different amino acid in their hemoglobin sequence. what does this say about the evolution of these two species

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.

Providing immunity by injecting the body with a weakened form a pathogen is known as

Wich organism obtains its energy from dead or decaying matter