B3 - Problems With Food Production Flashcards

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1
Q

What can easily occur when animals are in crowded spaces?

A

Spread of disease.

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2
Q

How do farmers prevent the spread of disease between crowded animals?

A

Gives them antibiotics.

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3
Q

What is the problem with farmers giving antibiotics to crowded animals?

A

It can cause resistance so they become less effective as a human medicine.

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4
Q

What effect does a lot of food miles have on the cost of production?

A

Makes it more expensive.

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5
Q

Apart from the cost, what is another disadvantage of a large amount of food miles?

A

Fossil fuels used for petrol contribute to global warming.

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6
Q

What has overfishing led to?

A

Declining fish stocks.

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7
Q

What are the results of declining fish stocks? [3]

A

1) less fish to eat.
2) food chains are affected.
3) extinction.

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8
Q

Name 2 ways to prevent overfishing.

A

1) fishing quotas.

2) altering net size.

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9
Q

What are fishing quotas?

A

They set limits on the number & size of fish caught.

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10
Q

How does altering the net size prevent overfishing?

A

Making the mesh size bigger means that less unwanted/young fish are caught.

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11
Q

What has the opinion that battery farming is cruel led to?

A

A demand for organic meat.

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