¿A través de cuáles mecanismos se produce el cambio de las especies en el tiempo?

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

Plz will mark! the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Body temperature is tightly regulated in mammals for example when external temperatures drop too much the body of a mammal responds by in order to its core temperature?