Which part of the seed is highlighted above?

The embryo root and embryo shoot.

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What does germination mean?

Germination is a process, controlled by enzymes, in which a seed begins to develop into a new young plant.

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What are the 3 requirements for a seed to germinate?

  1. Water.


  1. Oxygen.


  1. Warmth.

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Which part of the seed is highlighted above?

The food store.

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Why is water required for a seed to germinate?

Water causes the seed to swell, and activates the enzymes required for growth.

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Why is oxygen required for a seed to germinate?

Oxygen is required for aerobic respiration, which provides the energy needed for the plant to grow.

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Why does it need to be warm for a seed to germinate?

Higher temperatures increase the rate of enzyme activity, which in turn increases the rate of growth.


However, very high temperatures can denature enzymes and so may slow or stop their growth.

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Which part of the seed is highlighted above?

The seed coat.

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