Improving food production
- Created by: Katieh211
- Created on: 13-03-14 18:57
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- Improving food production
- Plants as food
- Photosynthesis
- light energy is converted into a stored chemical form
- Makes carbohydrates
- Starch is a energy source
- Absorb minerals, such as nitrates from the soil
- Photosynthesis
- Making food production more effiecient
- Plants
- Improve the rate of growth
- Increase productivity
- Increase resistance to disease
- Animals
- Improve the growth rate of crops
- Increase the size of yield from each plant
- Reduces losses of crops due to diseases and pests
- Make harvesting easier by standardising plant size
- Improve plant responses to fertilisers
- Plants
- Selective breeding
- Humans select the individual organisms that are allowed to breed according to chosen characteristics
- Isolation
- Artificial selection
- Inbreeding or line breeding
- Farmers breed cattle for high milk yield or for meat production
- Chickens are breed for egg production or meat production
- Using chemicals
- Fertilisers replace minerals in the soil
- Pesticides kill organisms that cause diseases in crops
- Infected animals can be treated with anitbiotics
- Plants as food
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