Answer:
Moist walls - gases dissolve in the moisture helping them to pass across the gas exchange surface. Permeable walls - allow gases to pass through. Extensive blood supply - ensuring oxygen rich blood is taken away from the lungs and carbon dioxide rich blood is taken to the lungs.
It was 77.27% as the <span>labor force participation rate in 2000</span>
Planktons primary importance to ocean ecosystems is primary production. This is<span> exhibited with phytoplankton that is photosynthetic and provides energy for </span><span>higher trophic level organisms such as nekton and bethos. They are essentially</span><span> the plants of the marine ecosystem.
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The correct answer is B) ATP is regenerated continuously by the addition of phosphate to ADP.
This is a common way of making energy for the body and is even found in humans.