Topic 6 - Plant Structures and Their Functions

Question 1

Describe the role photosynthetic organisms

Answer 1

• main producers of food and biomass

Biomass - mass of living material at a particular stage in a food chain

Question 2

Describe photosynthesis and its products and reactants

Answer 2

• photosynthesis = endothermic reaction uses light energy = carbon dioxide and water —> glucose and oxygen
• energy transfer, light energy —> chemical energy, in sugars produced
• light energy absorbed by chlorophyll (green substance found in chloroplasts of some plants)