Answer:
1- C, evolution.
2- D, adaptation.
3-A, gene. (if it is multiple choice, then its A and B.)
4-E, fitness.
Add-on:
sorry if its incorrect, hope this helped you.
Answer:
valence electrons an element has in its outer shell, the easier it is to complete.
The most electron shells an element has, the easier it is to fill its outermost shell.
Explanation:
Non metals atoms bond to other elements by sharing or completing the valance electrons in other element. This is easily made when the other element lacks a small number of electrons, for example with Hydrogen it has 1 valance electron because of that it is easier to bond with other elements.
Carbs are mainly used for quick energy (if not used are stored as fats)
Lipids are mainly used for protection (if not used are stored as fats and store the most energy)
Proteins are mainly used for hormone synthesis, making nucleic acids, cellular repair, and lots of other things
NUCLEIC ACIDS are mainly used for dna things
The lateral hypothalamus signals an animal to start eating, whereas the <span>ventromedial </span>hypothalamus signals the animal to stop eating. So the correct option is the first one.