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Dead leaves fall from plants to the ground. These leaves contain carbon. They are digested by microorganisms like bacteria which take up carbon and then respire it into the atmosphere. Plants are autotrop...

To answer this question, I would definitely use a diagram so that they can clearly see that this is a cycle and it will probably then use the diagram to explain each step. The Photosynthesis equation CO2 ...

Firstly, humans have a double circulatory system, which increases blood pressure and flow of blood to the tissues. To allow the heart to pump blood around the body, the heart is made of cardiac muscle. Th...

The cell membrane is a complex material made up of three main components: the phospholipid bilayer, proteins, and cholesterol. The tadpole-shaped phospholipid is made up of a phosphate head attached to a ...

Individuals within a species show a wide range of genetic variation. Some individuals will have characteristics more suited for their environment, meaning they are more likely to survive and reproduce. Th...