Answer:
primary oocyte ® meiosis I ® secondary oocyte ® meiosis II ® ovum
Explanation:
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The answer is A.) Layers
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Answer:
Most living tissue contains catalase. We can use potatoes to help see catalase work because bubbles of oxygen form when we put potatoes into hydrogen peroxide.
Explanation:
As catalase decomposes hydrogen peroxide into water and oxygen gas, bubbles of oxygen collect on the disk. When the density of the combined paper/enzyme/O2 is less than the solution the disc will rise to the surface.
Tge system that coirdinate and send message to the body is the nervous system
Plants and trees use photosynthesis
