The reasons why plants need water:
- To produce chemical reaction inside cells.
- To allow the cell to become turgid.
- 70% of cytoplasm in cells is water.
- It is used for photosynthesis.
- For the cells to function.
- Transport of nutrients
- So that the plant remain upright.
- So that the plant can remain cool.
How do plants get the water they need?
They get their water from the soil through the roots.
- Water is always being lost from leaves by evaporation - this creates a pulling force (negative pressure) that literally sucks water up through the plant. This is called transpiration.
- Loss of water from leaves is inevitable (will always happen), because the stomata must be open to allow carbon dioxide into the leaf for photosynthesis. As there is a higher concentration of water molecules inside the leaf than in the air outside, water molecules will always diffuse out of the…