Some examples could be Giraffes with long necks and the darkening of London's peppered moths after the industrial revolution. Direct selection is the shift of the population of one species towards a certain phenotype. -reference.com
The sides of the double helix of the DNA are made up of sugar and phosphate backbone. The sugar is deoxyribose in case of DNA and ribose in case of RNA. The bridges are formed of the nitrogenous bases; adenine, guanine, thymine, and cytosine. RNA contains uracil n place of thymine.
C trapping carbon dioxide uses a lot of energy and water resources
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The Muscular system. If you look at the human body, you see we're made of layers. 1st layer is the skeleton, the maintains the body's shape, then you have the 2nd layer, the muscular, this provides the ability of movement. And the layers keep going until you get to the skin.
The answer is A<em>, </em><em>he was not at the crime scene. The results of a DNA test can be inclusive, exclusive, or inconclusive. Inclusive findings mean the DNA profiles match and the suspect was at the scene of the crime. Exclusive results mean the profiles do not match and the suspect was not at the scene of the crime. Inconclusive results cover all the findings in between inclusive and exclusive</em>