Biology revision (F215)

What is the definition of Ecosystem?

What are Biotic factors?

What are Abiotic factors?

What is a Habitat?

What is a Species?

What is a Population?

What is a Community?

What is a Niche?

What happens if there is more than one species in a niche?

What are Autotrophs?

Name two types of autotrophs?

What are Heterotrophs?

What types of animals are Heterotrophs?

Name a type of primary consumer?

Name a type of secondary consumers?

Name a type of tertiary consumer?

What are Detritivores?

What cant food webs give information on?

What is a pyramid of number?

How do you construct a pyramid of number?

What are the problems with pyramids of number?

What are pyramids of biomass?

How do you construct a pyramid of biomass?

How do you construct a pyramid of biomass?

What do some scientists prefer to use with pyramids of biomass?

What are the problems with a pyramid of biomass?

What are the problems with a pyramid of biomass?

What is a pyramid of energy?

What doesn't affect a pyramid of energy?

What do pyramids of energy make easy to compare?

What do energy pyramids give a better representation of?

How easy is it to obtain the data?

Where does energy in an ecosystem originate?

How does solar energy enter the food chain?

What do all organisms depend upon?