Farming techniques (AQA GCSE Biology): Flashcards
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13 cards from this deck
Define intensive farming
Define intensive farming
Method to produce more food from land by controlling animals' environment
Alternative name for intensive farming
Alternative name for intensive farming
Factory farming
Main goal of intensive farming
Main goal of intensive farming
Maximize food output per unit of land
Why restricting animal movement increases growth
Why restricting animal movement increases growth
Less energy spent on movement, more goes into growing
Why heating buildings increases animal growth
Why heating buildings increases animal growth
Animals don't use energy to stay warm, so grow faster
Role of protein in intensive farming diets
Role of protein in intensive farming diets
Helps animals build muscle and grow quickly
Problems with intensive farming
Problems with intensive farming
Animals stressed, get ill, heating costs, ethical concerns
Why eating plants more energy efficient than meat
Why eating plants more energy efficient than meat
Energy lost at each step in food chain with meat
Why sardines more efficient food than tuna
Why sardines more efficient food than tuna
Closer to bottom of food chain, so less energy lost
Plant vs animal farming: people fed per hectare
Plant vs animal farming: people fed per hectare
Example: 10 people (plants) vs 2-3 people (animals)
Define biomass
Define biomass
Total mass of living things at each level of food chain
What happens to biomass up a food chain
What happens to biomass up a food chain
Decreases/gets smaller at each level
Free-range vs intensive chickens: key difference
Free-range vs intensive chickens: key difference
Free-range move freely & grow slowly; intensive confined & fast