Horses and donkeys mate successfully to produce mules, which are always sterile. which genetic isolating mechanism is involved here to prevent horses and donkeys from becoming a single species

Moving down the ramp from 6 meters to

Which of the following is most likely the result of an organism having lipids in its body a) water cannot be absorbed through the surface of a leaf b)human eats fruits to get a quick source of energy c) a sheep sleeps for more hours in the winter d) a warm river is filled with fish and algae

Hairs that clean dirt out of the air in your nasal passages are called: a. sinus b. trachea c. cilia d. mucus