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.
A. They eat dead or living organisms
The water would rush into the cell and the cell will explode.
Amino acid is to protein as simple sugar is to cellulose.
Amino acids form proteins, the same way simple sugar forms cellulose.
Lipids form fats, it doesn't go the other way round. DNA forms DNA strands, not RNA.
Humans and chimps genes may have split 13 million years ago.