Your body used the respiratory system (lungs)
ANSWER:
I think it is the first one
Explanation:
Speciation is the process in which new species are created through evolution. I might be wrong though.
the evolutionary process through which new species emerge
Answer:
Patent fingerprints can be made by blood, grease, ink, or dirt. This type of fingerprint is easily visible to the human eye. Plastic fingerprints are three-dimensional impressions and can be made by pressing your fingers in fresh paint, wax, soap, or tar.
hope it helps
Explanation:
A. Carbohydrates
There are organic compounds like: sugars, starch, cellulose and etc.
Answer:
Pigmentation, (skin color), in humans has evolved under selection pressure from the duration and intensity of sunlight. Ancestral populations near the equator were selected for dark skin, while those living in higher northern latitudes were selected for lighter skin.
