What animal is confusing?

Scientist wanted to formulate a pool to attack a specific type of bacteria that infects with you. what biological component would be best to use as a model for the pills function?

15 ! come and answer! a(n) is the general term for an infectious disease that has spread across a city, region, or country.

26 a medida que cambia el clima, ¿qué tipo de reproducción más probablemente de a una especie mayores posibilidades de supervivencia?