Answer:
Because they are sterile
Explanation:
<em>Mules are considered to be a weak hybrid and not a separate species because they are sterile and cannot produce progeny of their own.</em>
Mules are hybrid products from two separate species - a donkey and a horse.
A species is generally defined as a group of organisms that are capable of breeding to produce fertile offspring. <u>Hence, in order for them to have the potential of being categorized as a separate species, they must be able to produce their own progeny but this is not the case. </u>
<u />
<u>Which types of proteins help defend the body against foreign agents like bacteria?</u>
<u>antibodies</u><u> </u>
<u>it's</u><u> </u><u>simple</u><u>.</u><u>.</u><u>.</u>
False, a species is a collection of AN organism that live in a particular place...
Answer:
middle ear- hammer, anvil, stirrup
cochlea- cavern-like bone with tiny hairs and fluid
eardrum- membrane
outer ear- gathers sound
amplify- make greater
<span>.Chloroplasts and bacteria are Similar in size.</span>
