The difference between plant cells and animal cells is that most animal cells are round whereas most plant cells are rectangular. Plant cells have a rigid cell wall that surrounds the cell membrane. Animal cells do not have a cell wall.
How did stromatolites contribute oxygen to the early atmosphere?
by weathering of rocks
through photolysis
through methane degradation
through photosynthesis
Answer:
by weathering of rocks
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Answer:
The species that make up an ecosystem are connected in complex 'food webs' of eater and eaten. When one species disappears, its predators can no longer eat it and its prey are no longer eaten by it. Changes in these populations affect others. Not only that but the ecosystem would be dramatically different or cease to exist altogether.
Answer:
Jacobs argument is justifiable because the chloroplast and mitochondria both convert the potential energy from organic compounds into a suitable form for immediate use by the cell.
Explanation:
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Exposure to infrared light can heat the lens of the eye and produce cataracts over the long term.
