How do we know that the horse and the donkey are not of the same species? they do not have similar morphology. they are unable to interbreed. offspring of a horse and donkey have a unique morphology. offspring of a horse and donkey are unable to reproduce.

Offspring of a horse and donkey are unable to reproduce.

Explanation:

The biological concept of species states that:

A species is a group of organism with similar characteristics, that can interbreed and have a fertile offspring.

Horse + donkey = mule. A mule is a hybrid and is not fertile.

The answer is "Offspring of a horse and donkey are unable to reproduce."

false because ozone (o3) depletion does not cause global warming, but both of these environmental problems have a common cause: human activities that release pollutants into the atmosphere altering it.

global warming is caused primarily by putting too much carbon dioxide into the atmosphere when coal, oil, and natural gas are burned to generate electricity or to run our cars.

explanation: