Jumat, 01 April 2011

Task for class 8a , b / Pest and diseases in plant

Indicator 1.
• To explain the difference in plant diaseases

Answer the questions below correctly and briefly!

1. What are the differences between pests and diseases in plant?

2. Explain why the destruction of plant disease is harder than destruction of plant pest?

3. Why pest is easier observed compared to disease?

4. Write down the groups of animal that are included into plant pest! Give their examples!

5. Write down the organism that often causes plant is infected by disease!

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