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lana [24]
3 years ago
5

What feature do plants have that provide structure and form? A. Plants have an exoskeleton, like insects. B. Plants have an inte

rnal skeleton of bones. C. Plants have rigid tubes made of cellulose. D. Plants have an external covering that keeps them upright.
Biology
2 answers:
Nimfa-mama [501]3 years ago
8 0

The answer is C. Hope this helps :)

Nookie1986 [14]3 years ago
6 0
C. Plants have rigid tubes made of cellulose.
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When seeds germinate the shoot automatically grows up out of the soil and
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Answer: The shoot grows up towards the sunlight is Positive Phototropism

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Carbon is most abundant in the<br>Carbon is most abundant in the<br>and<br>and​
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Carbon is most abundant in the <u>atmosphere</u> and <u>hydrosphere</u>.  

Explanation:

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The correct functions of your lungs contribute to the normal pH level of between 7.35 and 7.45 in your blood. If your lungs do n
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Option B. a health problem due to the concentration of hydrogen ions (H+) being 10X higher than normal in your body is correct answer.

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When lungs are not able to remove carbon dioxide produced by blood it results in decrease in pH of blood (blood become more acidic). This condition is called respiratory acidosis. However, body has the ability to balance ionic concentration. (See attached image for more explanation)

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In which of these ways might an ectotherm respond to changes in environmental temperature?
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Answer: move elsewhere  b

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