The greek root-word Bios means life
Scientists use fossils to study earth history by identifying the fossil and what era it came from. By knowing what era the fossil came from and what location it was found, scientists can make assumptions about the earth formation at that time.
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Answer:
Photosynthesis is how plants combine light water and carbon dioxide to produce energy (glucose) and oxygen. The glucose powers the plants functions and the oxygen is releasesd back into the atmosphere. Cellular Respiration is how animals combine glucose and oxygen to produce carbon dioxide and water
