Answer:
an organism is any living thing..including ants...
Answer:
The blood transports oxygen from the lungs to the cells of the body, where it is needed for metabolism.
Explanation:
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Answer:
Plant cells need both chloroplasts and mitochondria because they perform both photosynthesis and cell respiration.
Explanation:
Chloroplast converts solar energy into chemical energy during photosynthesis, while mitochondria, the powerhouse of the cell, produces ATP- the energy currency of the cell during respiration.