Answer:
UV intensity predicts the skin color of indigenous populations. Stronger UV radiation is correlated with darker skin color. Data suggest that variation in human skin melanin production arose as different populations adapted biologically to different solar conditions around the world.
Explanation:
Of the following given choices;
A) thalamus. B) amygdala. C) hippocampus. D) hypothalamus
The answer is; D
The region has chemicals that work antagonistically to regulate satiety and appetite. CART chemicals stimulate increased metabolism, increased insulin production and reduced appetite. On the other hand, NPY chemical reduces metabolism and increase appetite.
chloroplasts reproduce by binary fission. The endosymbiotic theory describes how mitochondria and chloroplasts descended from the same type of bacteria. According to the theory, a host cell ingested symbiotic bacteria, which specialized into chloroplasts. The evidence for this is that chloroplasts reproduce by binary fission similarly to bacteria.
