The habitat is the kind of natural environment in which a particular organism species lives and it's ability to reproduce determines its niche.
(Prime Example):
Elephants shape their environment in many ways. They can change a forest to a grassy field or dig a hole that might become a pond.
<span>Polydactyly in its most common form, is an autosomal dominant mutation. Let's represent the mutation as P and the normal state as +. Thus, if both parents are heterozygous (P+), both would have the mutation (and thus have six fingered). They have 3/4 chances of having a child with the extra digit, 1/4 normal. </span>
The hypothalamus in the brain contributes to the body's maintenance of a steady internal physiological state, called homeostasis.
