B. Obtain oxygen out of the atmosphere.
Answer:
diffusion
Explanation:
Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.
Answer:
The relative size of the crest height and width of offspring raised in the tank without chemical cues is lower as compared to the parent Daphnia.
Explanation:
The size of the crest of Daphnia is directly related to the chemical cues secreted by the Notonecta. If the water has Notonecta , the size of the crest of Daphnia is increases because the crest is sensitive with the release of the chemical cues of Notonecta. So if the water has no chemical cues, the size of the crest height and width of offspring is lower as compared to the parent Daphnia.
Answer:
the four most common elements in living organisms: carbon, hydrogen, oxygen, and nitrogen.
Explanation:
Enzyme functioning is very much depends on it;s structure, and if it denatured due to deviation from normal physical conditions, then it won't function properly. Hence, your sentence is "True"
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