a. define process of ejection. b. why rhe rate of breathing is diffeent in aquatic and terestial animals. c what is assimalation.
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the process of throwing out unwanted
material
2as the level of oxygen 300 times more in air than in water
3. it is the utilisation of energy from digested food
material
2as the level of oxygen 300 times more in air than in water
3. it is the utilisation of energy from digested food
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