Answer:
Since marine life can only see blue, n creature would have evolved anything but blue colors because that would not have helped their survival
Explanation:
The answer is scrotal elevation. Hope this helps please help me by saying this is the brainiest.
C) the lungs.
The air moves down the trachea and into the lungs where it is picked up by the blood
Answer:
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Explanation:
Deoxyribonucleic acid (DNA) is a double helix molecule made up of two complementary polynucleotide strands oriented antiparallel to each other. Each nucleotide in both DNA strands is composed of a five-carbon sugar (deoxyribose), a phosphate group and a nitrogenous base. In DNA, there are four types of nitrogenous bases: Thymine, Guanine, Adenine and Cytosine (in RNA, Uracil replace Thymine). According to the base-pairing rules, Adenine always pairs with Thymine through two hydrogen bonds, whereas Guanine always pairs with Cytosine through three hydrogen bonds.