Answer:
Hypothalamus
Explanation:
The hypothalamus is a small region of the brain. It's located at the base of the brain, near the pituitary gland. While it's very small, the hypothalamus plays a crucial role in many important functions, including: releasing hormones. regulating body temperature,hungry,fatigue and sleep.
The answer is directional selection
It is the mode of natural selection in which a single phenotype is favored, causing the allele frequency to continuously shift in one direction. The advantageous allele increases in frequency independently of its dominance relative to other alleles; that is even if the advantageous allele is recessive, it will eventually become fixed, changes the average value of a trait. Occurs most often under environmental changes and when populations migrate to new areas with different environmental pressures.
Compare the samples density with that of pure gold.
Answer:
Explanation:
the answer is amino acids because they help you get proteins while you eat something and they help the body get them and they linked together to form a large protein called molecules.