Year 9 - Science
Insects and food security
Reproduction in plants
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This pupil-friendly study guide includes a unit summary, clear notes, common mistakes, and quick questions with answers.
Unit Summary
This unit explores plant reproduction, including flower structure, pollination, fertilisation, seed formation, and dispersal mechanisms. It highlights the role of insect pollination in food security. Focus is on planning and conducting enquiries, and ensuring reliable observations.
Lesson Summary
You will learn to explain the importance of insects for food security and suggest how we can protect them.
Key Notes
- Pollinators are animals which transfer pollen from one flower to another, which enables plants to reproduce sexually.
- Many food crops are pollinated by animal pollinators, including fruits, vegetables and nuts.
- The majority of pollinators are insects, with bees being the largest group.
- Food security means having enough affordable and nutritious food in an area or country.
- Pollinating insects need to be protected from pesticides, climate change and habitat loss to ensure food security.
Vocabulary To Learn
- pollinators: Animals that carry pollen from one flower to another are called pollinators.
- food security: Food security is having access to enough affordable and nutritious food.
- insect: Insects are a group of animals with an exoskeleton, three body parts and six legs; they can act as pollinators.
- crops: Crops are plants that are grown on farms to feed humans or farm animals (for example wheat, vegetables and fruit).
Common Mistakes To Avoid
- There is not enough food in the world, and that bees are the only pollinators.
3 Quick Questions (With Answers)
1. Explain the scientific idea in this lesson using two key points.
Pollinators are animals which transfer pollen from one flower to another, which enables plants to reproduce sexually. Many food crops are pollinated by animal pollinators, including fruits, vegetables and nuts.
2. Define this scientific word and use it in context. 'pollinators'
Animals that carry pollen from one flower to another are called pollinators. Include the word in a full scientific explanation, not as a single label.
3. Correct this common scientific misunderstanding.
Mistake: There is not enough food in the world, and that bees are the only pollinators. Correction: Emphasise that food distribution and nutrition is an issue in food security; also that there are many types of pollinator.
More Lessons In This Unit
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