Feeding ourselves

9 important questions on Feeding ourselves

What are the 3 consequences of taking down trees to grow more crops?

1. a lot of animals have to live in the remaining forest
2. when plants at the beginning of a food chain are destroyed, there is nothing for animals to eat
3. If they can’t move away, they die

What is the advantage and the disadvantage of fertiliser?

ad.: Increase plant growth by supplying minerals
dis.: When gets into the river, fish will die

What is the advantage and the disadvantage of herbicide?

ad:Stops weeds (onkruid) from growing
dis: Destroys wild plants
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What is the advantage and the disadvantage of insecticide?

ad: Stops insects from eating the plants
dis: Kills useful insects like bees

What are invasive organisms?

plants or animals that are accidently brought into an area.

Why are invasive organisms bad?

they damage food chains, because they have no natural predator

Describe how we can reduce damage on food chains by using micro-organisms

we can reduce the damage on food chains by using micro-organisms to make fuels and animals feed. This way we have more land left to grow food

Describe how we can reduce the damage on food chains by changing the way of farming

we can reduce the damage of food chains by using less chemicals in farming. we can grow certain plants and animals together to get the same effect as chemicals.

Describe how we can produce enough food for the increasing population

we can increase the food produce by growing crops faster,, we could use less space.

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