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The Structure of Higher Plants
Содержание
- 1. The Structure of Higher Plants
- 2. Higher plants have four parts: leaves, stems, roots, and flowers.
- 3. Leaves make food for the plant.
- 4. Cactus stickers protect the plant but do not make the food.
- 5. Leaves can be different shapes and sizes.
- 6. There are only 2 ways how the leaves may grow on the stem.
- 7. The leaf can grow by itself,
- 8. or the leaves can grow in cluster.
- 9. There are 2 types of leaves: simple and compound.
- 10. Leaves have 3 layers.
- 11. The top and the bottom layer are called epidermis.
- 12. There are openings or stomata on the bottom epidermis.
- 13. The stomata have guard cells. They open and close the stomata.
- 14. Air enters the leaf through the stomata.
- 15. The stomata open in the morning and close at night.
- 16. The middle layer makes food for the plant.
- 17. The middle layer gives green color for the leaf.
- 18. Stems conduct water from the roots to
- 19. A stem provides support for the leaves.
- 20. Most stems have conducting tubes to carry water and food.
- 21. Stems have buds and leaves.
- 22. New stems and leaves grow from the buds.
- 23. All flowering plants are divided into 2 groups: one-seed-leaf plant, and two-seed-leaf plant.
- 24. Roots hold the plant on its place.
- 25. Roots provide the plant with water and minerals.
- 26. Plants make food from the minerals.
- 27. The taproot is the main root.
- 28. The taproot holds the plant on its place and gets water.
- 29. Flowers produce seeds.
- 30. Flowers have beautiful petals.
- 31. Different colors of petals attract the bees.
- 32. Flowers have pollen.
- 33. Pollen is yellow dusty substance and helps to fertilize new seeds.
- 34. Скачать презентанцию
Higher plants have four parts: leaves, stems, roots, and flowers.
Слайды и текст этой презентации
Слайд 23All flowering plants are divided into 2 groups: one-seed-leaf plant,
and two-seed-leaf plant.
