Phylum. The classification system goes: Kingdom, Phylum, Class, Order, Family, Genus, Species. Anything that shares a class also share anything above it.
Answer:
The correct answer is: A) a pregnant woman.
Explanation:
Bodybuilders in particular need the lower body fat percentage possible in order to succeed in their career, since most of their bodies must be muscle. Professional ballet dancers need to be light and skinny to be able to perform their dance moves and to be lifted by their partners; a basketball player also needs a lower fat percentage and a higher muscle mass percentage to be able to play at his best; and a ranch hand as well needs to not be packing that much fat in order to make his job easier.
Pregnant women, however, need body fat to have healthy pregnancies. This doesn't mean that they do not need to take care of themselves, because a higher body fat than what it's needed can lead to diabetes, high blood pressure and can difficult the pregnancy.
Answer:
C
Explanation:
The major histocompatibility complex (MHC) is a group of genes whose function is to codify proteins that participate in the immune response, helping the system to <u>recognize foreign substances to develop an immune response</u>.
<u>Histocompatibility or compatibility of tissue </u>is given by self-identifications molecules (antigens) located on the surface of cells, membrane, these molecules are almost <u>unique to each person</u>, letting the body to distinguish self from non-self.
