Where does the energy for photosynthesis come from?

Why do enzyme reactions slow down?

What is meant by the term 'dependant variable?

Name three substances used for storage in plants

What factors must be controlled in a greenhouse to improve plant growth?

Why are there so few animals living in very cold regions such as the Arctic?

What is a quadrat?

How can you make sure an investigation is valid?

Name the solution used to test a leaf for starch

What is the result of the iodine test for starch?

What is the word equation for photosynthesis?

Give three physical factors which affect the distribution of plants

Why would there be little point in heating a greenhouse on a summer's day?

What is meant by the term 'limiting factor' in photosynthesis?

How can you use a quadrat to make a line transect?

What is the difference between a mean and a median?

Why is the difficult to be sure an investigation in outdoor habitats is valid?

What is meant by 'reproducible' results?