We need light in photosynthesis as Light provides the energy source. The process is based on light. The plants use light to convert energy. The same reason that we need air to breath.
if photosynthesis is to take place you need light.
light = photosynthesis !
It is the second step of photosynthesis. It does not need light
Dandelions need light to grow just like almost any other plant.
chlorophyll is the primary pigment. It is much needed for photosynthesis.
They need light and carbon dioxide.
Light
Roots are underground so they don't get any energy from sunlight they need for photosynthesis.
Photoautotrophs need water, carbon dioxide, and light energy in order to power photosynthesis.
Plant's need sunlight to grow.
they need light to do so. You can use artificial light.
there is a reason. it does not need light.