Answer: Cells have different shapes because they do different things. Each cell type has its own role to play in helping our bodies to work properly. Their shapes help them carry out these roles effectively.
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Answer:
the circulatory system
Explanation:
when the heart beats it jumps the blood through a system of blood vesseles hence the circulatory system
Answer:
C3 photosynthesis produces a three-carbon compound via the Calvin cycle while C4 photosynthesis makes an intermediate four-carbon compound that splits into a three-carbon compound for the Calvin cycle. Plants that use CAM photosynthesis gather sunlight during the day and fix carbon dioxide molecules at night.
Explanation:
