Supplementary WS2 for Chapter 3 (Fill in the blank)

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Fill in the blank (10 marks, 2 marks each)

Complete the following sentences.

5. At __________, our body begins to produce more sex hormones.

2 points

4. The embryo is protected by a bag of fluid called ____________.

2 points

1. The basic unit of living things is __________.

2 points

2. The higher the magnification of the microscope, the _______ the diameter of the field of view.

2 points

3. Both plant cells and animal cells have a cell membrane, a nucleus and _______________.

2 points

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