Carbon dioxide is the correct answer
Answer:
Directional selection, stabilizing selection and disruptive selection are three types of natural selection. They are also examples of adaptive evolution. ... Selection pressures act against organisms that do not have favorable traits and they are removed from the population.
Explanation:
Viruses are something you cant get rid of
Hey there,
Question: <span>Which scientists are credited for the events described in the development of the cell theory?
Answer: The cell was discovered by Robert Hooke. But the first cell's theory was discovered by T</span>heodor Schwann<span> and </span><span>Matthias Jakob Schleiden.
Question: </span><span>Who observed a living cell in a pond?
Answer: </span><span>Anton Von Leeuwenhoek
Question: </span><span>Used the word cell for the structures he observed?
Answer: Robert Hooke
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Explanation:
The brain itself does not feel pain because there are no nociceptors located in brain tissue itself. This feature explains why neurosurgeons can operate on brain tissue without causing a patient discomfort, and, in some cases, can even perform surgery while the patient is awake.
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