Food Chains And Production Flashcards
What ways do farmers make food chains more efficient?
Limiting movement, which means they don’t have to use energy in moving their muscles and more energy goes to growth. Controlling the temperature of their surroundings, which means animals don’t have to use as much energy to keep warm or cool.
How do food chains become less efficient and affect humans?
Every stage that is added In a food chain means it becomes less efficient because there is less energy reaching the human from the plant due to the animals and products we use from them using energy for movement, temperature control etc
What are some disadvantages of poultry rearing sheds?
Disease can spread quickly because they are so close together. They also need constant monitoring which costs money. Worse quality meat. Farmers have to pay for heating and lighting.
Some advantages and disadvantages of free range chickens?
Some advantages are that the farmer does not have to pay for heating and lighting and the meat is better quality. A disadvantage is that it takes longer to let them grow and requires more space. There is also reduced output compared to factory farming.
Advantages and disadvantages of making food chains more efficient?
An advantage is that there a lot more people would be able to fed on the earth, more food for humans. A disadvantage would be that there would less variety is food.
