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CHAPTER6 Life Processes
www.ncert.nic.inIf we see a dog running, or a cow chewing cud, or a man shouting loudly on the street, we know that these are living beings. What if the dog or the cow or the man wer e asleep? W e would still think that they wer e alive, but how did we know that? W e see them br eathing, and we know that they are alive. What about plants?
CHAPTER7 Control and Coordination
ncert.nic.inchewing cud – these are not movements caused by growth. Why do we associate such visible movements with life? A possible answer is that we think of movement as a response to a change in the environment of the organism. The cat may be running because it has seen a mouse. Not only that, we also think of movement as an attempt