Some organisms live at the bottom of the sea where it is very dark. To synthesise glucose, they use energy from chemicals in the very hot water that comes out of volcanoes. What is a distinguishing feature of these organisms?

Explain how humans are dependent upon the process of photosynthesis.

Describe the significance of each of the following features of a dicotyledonous leaf in terms of the process named: t…

Which row shows what happens in photosynthesis?

Which row matches a method of controlling malaria with the explanation of how this method works?

Areas of tropical rainforests are often cut down and cleared. After cutting down the trees, the areas are normally bu…

Which processes involve parts of the carpel of a flower?