2. Farming production and Practices

Question 1

what do food chains show

Answer 1

they show how energy is transferred through an eco system

Question 2

what are the stages in an ecosystem called?

Answer 2

trophic levels

Question 3

how can famrers increase efficiency for human consumption?

Answer 3

they can increase the net primary production in crops

Question 4

name the two ways that NPP can be improved

Answer 4

• energy lost to other organisms can be reduced due to food webs, cutting out food chains without humans
• the energy lost through respiration of livestock can be reduced, i.e. smaller enclosure spaces

Question 5

what does keeping animals in pens mean

Answer 5

biomass is increased, and more chemical energy can be stored