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The Problem of Fruit

The Problem of Fruit. Plant Reproduction, Fruit and Seed Dispersal. How do plants reproduce?. Plants use flowers or cones to fertilize the egg Pollen and eggs. How do plants reproduce. Plants depend on animals or force of nature to pollinate them Flowers: animals, insects

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The Problem of Fruit

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  1. The Problem of Fruit Plant Reproduction, Fruit and Seed Dispersal

  2. How do plants reproduce? • Plants use flowers or cones to fertilize the egg • Pollen and eggs

  3. How do plants reproduce • Plants depend on animals or force of nature to pollinate them • Flowers: animals, insects • Cones and other: wind, water

  4. Problem 1 • Flowers are pretty and take a ton of energy to create • Why would a plant invest so much energy and time into a pretty flower, or into crazy reproductive parts?

  5. To attract an make fertilization possible

  6. Pollination • Pollen moves through “style” • #swag • And fertilizes an egg in the ovary

  7. Ovary becomes fruit

  8. Problem 2 • Why would a plant spend so much energy to create a fruit?

  9. To transport seeds

  10. Seed movement • Animals might burry seed • Squirrel burry acorn • Animals might poop seed • Apple, Berries, Vegetables • Seed might float away • Coconut

  11. Why is moving seeds important?

  12. Other Seed Dispersal Methods • Burrs, Wind, Spores

  13. Seed Dispersal Success Depends Upon • Type of animals • Environmental factors • Number of seeds produced • Seed landing in right spot

  14. Review • Why do seeds spend so much energy creating flowers and systems of fertilization? • Why do seeds invest so much energy in fruit production?

  15. Practice • Why would a plant be more successful as a species if it is spread out over a wide geographical area? • What are some factors that affect the successful germination of seeds?

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