B18.11 Efficient Food Production

Question 1

Why are short food chains more efficient ?

Answer 1

Increases biomass loss each trophic level up in food chain

Question 2

What is the big method for reducing biomass loss ?

Answer 2

Intensive farming which aims to limit the energy livestock burn and therefore increases biomass yeild

Question 3

What are the four conditions for intensive farming ?

Answer 3

Caged- less energy used on movement
Artificial fertilizer
Antibiotics meaning less energy used fighting disease
Stable temp- less energy used on thermoregulation

Question 4

What are the concerns over intensive farming ?

Answer 4

Animal welfare organisations

Disease developing in cramped conditions

Development of resistant bacteria and bio accumulation

Question 5

What is organic farming ?

Answer 5

A more natural method of farming
It uses less machinery and only natural fertilizers used on crops

Question 6

What does natural farming do to crops ?

Answer 6

Crop rotation on a field throughout each season to prevent monoculture and keeps soil fertile as it reduces the need to artificial chemicals

Question 7

What is the evaluation of organic farming ?

Answer 7

Although quality is much better and the production is heavily sustainable the final product is far more expensive