The process for photosynthesis is...

What can we identify by testing leaves with iodine solution?

What is meant by the term 'limiting factor'?

Limiting factor - carbon dioxide

Limiting factor - light intensity

Limiting factor - temperature

Independent variable

Dependent variable

The glucose produced by photosynthesising may be...

What is meant by the term 'mineral ions'?

What is meant by the term 'nitrate ion'?

What is meant by the term 'biomass'?

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

Physical factors that may affect the distribution of organisms are:

Affecting the distribution of organisms - Temperature

Affecting the distribution of organisms - availability of nutrients

Affecting the distribution of organisms - amount of light

Affecting the distribution of organisms - availability of water

Affecting the distribution of organisms - availability of oxygen

Affecting the distribution of organisms - availability of carbon dioxide

What is meant by 'quantitative sampling'?

What is a 'transect'?

What is a 'quadrat'?

What is meant by 'sample size'?

3 points for checking how valid data is?