Answer:
Due to structure of engine.
Explanation:
Cars and trucks today powered by petroleum products because of their engine which only works when the petroleum products are used. When the petroleum products are burn in the engine, it produces small blasts which moves the piston and as a result the wheels of the car also start movement. Petroleum products are economically cheap due to its higher availability on the earth, easily available to the people, can be easily transported are the factors that make us use of petroleum products.
<span>Assists in the accommodation of light from the external environment that penetrates thru our pupil and proceeds in our lens.
Evolutionarily, the eye structure was designed to be at the head specfically superior to the nose, posterior to the skill and distal to the brain and is anteriorly plastered to avoid environmental threats like predators, natural disasters and etc. This way in a functionalist view, the eye has a wider range in getting information from one's environment especially in humans since the eyes in people are the most efficient and powerful sensory organs than the others. In a structural view, the eyes are build in two not only to be able to see one's environment and maximise it but also because the eyes have binocular disparity this means that the eyes will be able to locate an object more cearly and that when one eye is dysfunctional the other can assist the visual imagery of the individual.<span>
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Wainwright Building by Louis Sullivan. Form follows function<span> is a principle associated with modernist architecture and industrial design in the 20th century. The principle is that the shape of a building or object should be primarily based upon its intended</span>function<span> or purpose.</span>
By definition, the phenotype is the actual physical manifestation of an organism's genotype, so the way an organism looks or behaves is what is being selected on. For example, if ladybugs have red (R) shells or yellow (r) shells and ladybug-eating birds only eat the ones with red shells, any red-shelled ladybugs will be selected against based only on their phenotype. The birds do not know whether each bug is RR, Rr, of rr, so phenotype, not genotype, is what is affected by natural selection.
