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loris [4]
2 years ago
15

Which adaptation allowed the Tibetans to live at high altitudes? A:greater ability to digest starch B:more efficient hemoglobin

in the blood C:lower oxygen saturation D:an enlarged right ventricle
Biology
2 answers:
Andre45 [30]2 years ago
6 0

Answer:C:lower oxygen saturation

Explanation:

Aneli [31]2 years ago
4 0
<h2><em>Answer:</em></h2>

B: More efficient hemoglobin in the blood

<h2><em>Explanation:</em></h2>

They can live at higher altitudes, but that is only because they have more efficient hemoglobin in their blood.  Because of this, the veins to their heart are bigger, taking in more oxygen.

And because I just did the quick check.

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Robert Hooke observed the thin slice of cork cells present in the plant cells. In 1665, Robert Hooke referred these empty tiny box-like cavities as cork cells.

<h3>What is Robert Hooke's Observation?</h3>

In 1665, Robert Hooke used a microscope to examine a tiny box-like empty cavities which are referred to as cork cells. He observed that the cork was made up of tiny units that looked like a honeycomb. He referred to them as cells, and he was the first to find a dead cell. This observation has a major contribution in the cell theory.

Hooke published his results under the title Micrographia, about his microscopic observations on several plant tissues. He is remembered as the coiner of the word “cell,” referring to the cavities he observed in thin slices of cork. The cork cells protect the tree from bacterial or fungal infection. It prevents water loss through the bark.

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3 years ago
what is the defining characteristic of eukaryotic cells? what types of organisms have eukaryotic cells?
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