In tropical rain forests, the canopy is thick and shorter plants growing below it, receive filtered light. How are they able to carry out photosynthesis?

Photosynthetic organisms occur at different depths in the ocean. Do they receive qualitatively and quantitatively the same light? How do they adapt to carry out photosynthesis under these conditions?

Look at the activities listed below. Reason out whether or not work is done in the light of your understanding of the term 'work'. A green plant is carrying out photosynthesis.