Are these two frogs the same species , or kind of living things

How do diseases caused by bacteria and diseases caused by viruses react to antibiotics?

The smallest parts of these that retain their original properties are called

Abird flies by moving its wings up and down. which two systems are most directly responsible for the movement of a bird's wings? a. skeletal and muscular systems b. respiratory and muscular systems c. skeletal and digestive systems d. respiratory and digestive systems