A common birth defect characterized by an opening between the upper lip and the nose is called Cleft Lip. Cleft lip happens during the early stage of pregnancy. This occurs when there is an unsuccessful connection in the face and lip area while the fetus is developing inside the womb. Both cleft lip and cleft palate are successfully treated with surgery.
An allele is a variant form of a gene. some genes have a variety of different forms,which are located at the same position, or genetic locus, on a chromosome.
Freshwater does not contain any salt, salt water does however contain salt.
Our planet has so many different ecosystems in which species live in. Whether it is the rainforest or a desert region, it seems that almost any place on earth can be one in which species have learned to adapt to living there. In short, yes there is great diversity on this planet.
Rotary, oscillating, linear, reciprocating
