A. once defined, an ecosystem is a unit scientists can analyze.
Hypotonic is transport :)
The role of respiration is to take in oxygen and push out carbon dioxide. The respiration takes place in the mitochondrian which is found in the cytoplasm.
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Answer:
C. ATP is required to move substance A into the cell.
Explanation:
As the model shows a cell with the movement of substances A and B, so the correct statement following the model is "ATP is required to move substance A into the cell".
This is so because ATP is required by a cell to move the substance such as ions across a membrane against a concentration and at the same time another substance moves out of the cell by the process called diffusion.
<u>As in the model, we can see substance A is moving in the cell while B is moving out of the cell (distance between cell membrane and substance B is more).</u>
Hence, the correct answer is "C. ATP is required to move substance A into the cell."
Answer:
distruptions of temperature, precipitation and winds are caused by patterns that shift back and forth irreguraly every 2 - 7 years
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