Across
- 1. This part of the plant helps to hold it firmly in the ground.
- 4. The part of a plant that absorbs water from the ground.
- 7. This part of the plant helps to hold it upright so it can grow upwards towards sunlight.
- 8. Non-flowering plants such as ferns and mosses reproduce by ...........
- 9. Plants produce and release this gas during photosynthesis.
- 11. When spore sacs containing spores are ripe, they burst open and the spores are carried away by the ...........
- 12. A flower develops from a .......... that is found on the stem of a plant.
- 13. Water taken in by a plant contains mineral .......... that are dissolved in the water. These help to keep the plant healthy.
- 15. ........ are plants that do not have any roots.
- 18. Seeds and spores are ways in which plants ............
- 19. The process in which a plant begins to grow from a seed or a spore.
- 20. In many ferns, spores are found on the underside of ..........
- 21. To gain a better understanding of things, we ........ them into different categories.
- 22. The classification of living things.
Down
- 2. Living things are also known as ...........
- 3. A plant is a living thing that can make its own food by a process known as ...............
- 5. Plants need the gas, carbon .........., in order to make their own food.
- 6. Angiosperms are plants that bear ..............
- 7. Fruits contain ........... which will enable a plant to reproduce.
- 10. A non-flowering plant that reproduces by seeds. These seeds are 'naked' because they are not contained inside a fruit.
- 14. This part of a plant takes in and releases gases.
- 16. In Singapore, there is a large variety of different living things. This is known as ............
- 17. Under the right conditions, a flower will turn into a ..........
- 19. Before a fruit ripens, it is usually ............ in colour.
