Por que existen varias teorias acerca del origen de los virus

How are carbon dioxide emissions affecting the earths natural cycle of temperature change? plz apex

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.

Wich organism obtains its energy from dead or decaying matter