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KS3 - Animal Park Revision > Artificial Selection > Flashcards

Artificial Selection Flashcards

1
Q

What do we call it when humans choose which animals to breed?

A

Artificial selection OR selective breeding

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2
Q

What do we mean by artificial selection or selective breeding?

A

When humans choose which animals to breed

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3
Q

Why do humans do artificial selection?

A

To produce offspring with desirable characteristics (e.g. lots of milk from cows)

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4
Q

Name an animal that has been selectively bred for thousands of years?

A

Dogs. They came from wolves

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5
Q

Why do farmers selectively breed chickens?

A

More eggsBigger eggsMore meat

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6
Q

Why do farmers selectively breed cattle (cows)

A

More milkMore meat

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7
Q

What is the benefit to farmers of selectively breeding their animals?

A

They can make more money by selling more meat and eggs etc.

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8
Q

What is meant by the word ‘yield’?

A

The amount of a product that is produced e.g. the yield of milk.

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9
Q

Name 4 types of cattle (cows)

A

FriesiansJerseysCharolaisAberdeen Angus

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10
Q

What is the special features of a Friesian cow?

A

They produce the most milk

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11
Q

What is the special feature of a Jersey cow?

A

They produce milk that contains a lot of cream

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12
Q

What is the special feature of a Charolais cow?

A

They grow quickly and produce lots of beef

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13
Q

What is the special feature of an Aberdeen Angus cow?

A

They grow slowProduce nice tasting meat

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14
Q

What is the name of a male cow?

A

A bull

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15
Q

What is the name of baby cattle?

A

Calfs

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16
Q

To produce a new young calf, sperm from a ______ must join up with an egg from a ______

A

BullCow

17
Q

A farmer keep cattle for meat. What features should he look for in the cattle she is going to breed from?

A

The cattle that grow fastestThe cattle that grow the biggest

18
Q

A farmer keep cattle for milk. What should she look for in the cattle she is going to breed from?

A

The cows that produce the most milk

KS3 - Animal Park Revision (10 decks)

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