Smart Thinker Answers Answers
1A
Any reasonable answers, e.g. animals also grow and reproduce, and respond to external stimuli. Yes. Humans are animals. It is because humans and other animals can move, grow and reproduce. They also respond to external stimuli.
p.17
p.25 Yes. Besides water and air, plants also need sunlight to grow.
p.27 Any reasonable answers, e.g. camphor tree, paper-bark tree and Brisbane box.
Any reasonable answers, e.g. blind people lost their vision and mainly sense the world by hearing, so their ears are more sensitive. Any reasonable answers, e.g. having correct reading postures helps protect our backbone and eyes.
p.39
p.43
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