What Plants Need to Grow

it will not germinate.
Germination is when the seed starts to sprout in to a plant.
If a plant does not have enough light, it will grow to be tall and flimsy as it searches for light. It will probably die.
If a plant is not watered enough, its stem will be fragile and have very dry leaves. It will eventually die.

to all parts of the plant.

The leaves use a process called photosynthesis to produce food for the plant. It uses light, water and carbon dioxide to do this.

The roots take up water and nutrients from the soil.
It also keeps the plant in the ground.