D) bacteria because they are simple organisms
<span>The German scientist (Botanist and Physician) Cordus was a Renaissance period thinker whose work and approach makes him a candidate to match this description. There is in fact a plant genus called Cordia named after him.</span>
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2. The adaption of the owl butterfly shows the improve the chances of survival because of the appearance of the butterfly (especially the eyes) makes the animals who likes to eat butterflies think it's an owl instead, and not to be bothered with it, giving the butterfly more time to escape, eat and survive.
<span>The grain size of the sedimentary rock "chert" is </span>cryptocrystalline, which cannot be seen except under very high magnification.
