Answer:
Malthus.
Explanation:
<em>Malthus formulated what is today known as the Malthusian catastrophe during which he explained that limited resources put a check on the population of humans. He further explained that limited resources will provoke competition.</em>
<em>Darwin later adopted the idea of competition to develop the theory of survival of the fittest, also known as natural selection.</em>
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Answer:
Fossils provide solid evidence that organisms from the past are not the same as those found today; fossils show a progression of evolution. Fossils, along with the comparative anatomy of present-day organisms, constitute the morphological, or anatomical, record.
This means that the micrograph was created by an electron microscope
Answer:
In school, I was taught that it is like a bouncer who controls who enters and exits the club because the cell membrane controls what is able to permeate into the cell. It’s good, but I like to think of it as a door.
Answer:
Niacin can be prescribed to therapeutically lower cholesterol levels.
Explanation:
Niacin, known as vitamin B3, is used to reduce the risk of heart attack or stroke in people with high cholesterol. Niacin has gained popularity in the last 50 years and is mainly used to raise the level of HDL (high density lipoprotein) cholesterol, also known as good cholesterol and lowering bad cholesterol levels.
However, niacin can cause health damage, so it should always be used with medical supervision.