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An organ is a group of tissues that work together to perform a specific function. In the case of your heart, this function is pumping blood throughout your body. Additionally, the heart is largely made up of a type of muscle tissue called cardiac muscle.
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Answer:
Both have dinosaurs as ancestors (basically both are related to dinosaurs)
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The plasma membrane, or the cell membrane, provides protection for a cell. It also provides a fixed environment inside the cell, and that membrane has several different functions. One is to transport nutrients into the cell and also to transport toxic substances out of the cell.
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Answer:population can affect the level of oxygen in water because of the too much of oxygen being released
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Most of Earth's carbon is stored in rocks and sediments.