Across
- 2. contain mineral salts
- 4. substances plants normally get from soil
- 6. is also needed for making chlorophyll, a shortage of this makes plant leaves grow yellow
- 8. a sweet and sugary thing that insects/birds feed on
- 10. the movement of energy from one place to another
- 11. they are the reproductive organs of plants
- 13. a tiny hole where pollen tube grow into the ovule
- 18. the way that plants make food
- 20. the tough outer coat of the seed
- 22. a different kind of carbohydrate, is made of thousands of glucose molecules linked together
- 23. the nucleus of a male gamete and the nucleus of a female gamete join together
- 25. needed by plants for support, cooling, transport, and photosynthesis
Down
- 1. the receptive tip of a carpel, the part of the pistil where the pollen germinates
- 3. helps to avoid competitions with the parent plant
- 5. produced when the zygote starts to divide
- 7. produced by anthers, contains the male gametes of the flower
- 9. a group of chemicals which sugar belong to
- 12. transfer of pollen from a anther to a sigma
- 14. most colorful part of the flower
- 15. also known as sugar
- 16. a new cell formed after fertilisation
- 17. while the ovule changes into a seed, the ovary is also changing into a........
- 19. needed so the plants can make proteins, also needed to make Chlorophyll
- 21. when the ovule begins to change it gradually grows into a........
- 24. contains female gametes and are inside the ovaries