Mutations and adaptations

adaptation-natural-selection-and-sepeciation

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How are desert animals such as kangaroo rat adapted to live in dry conditions?

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Match the three types of adaptation with their definitions.

Padankan teks (klik dan seret)

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Padankan teks itu
Structural adaptations
Physiological adaptation
Behavioural adaptation

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Is what an organism does or how it behaves for example hibernation.
Is the internal metabolism and the general functioning of an organism, for example venom production.
Are an organism’s structure for example an organisms shape, colour and size.

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How is a polar bear adapted to cold conditions?

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What is the advantage of the cichlid fish having different shaped mouths?

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The chichlid have different

parts and so can occupy different

which reduces

and increases their chance of

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What is a mutation?

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A mutation is a

change to

material.

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What are the three features of mutations?

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What can speed up the rate of mutations?

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agents speed up the rate of mutations.

Chemical and

are examples of these agents.

gas is an example of chemical and

are an example of

radiation.

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Match the type of mutation to its correct definition and example.

Padankan teks (klik dan seret)

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Padankan teks itu
Advantageous mutations
Disadvantageous mutations
Neutral mutations

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The mutation has causesed harm to the organism. E.g. Cystic Fibrosis and Down's Syndrome
The mutation causes no change to the organism, it is neither beneficial or harmful. E.g Rabbit fur colour on the On Fair Isle.
The mutation has caused the mutant to be better than the original organism. It is the source of new variation. E.g. polyploidy in plants produces bigger sized fruit and increased yields and the peppered moths..

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A new species shown may have developed due to mutations. How might the mutation have contributed to the evolution of new species?

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Mutations cause new

(forms of genes).

These alleles can confer a selective

. The organism that have this will

and pass on these

genes to their offspring.

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What is the only source of variation amongst living things?

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What is variation?

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Is the

between members of a species.

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What makes it possible for species to evolve?

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within a population makes it possible for a population to

within over time in response to changing

conditions.

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What is a mutant?

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It is an organism that displays the genotypic

in its phenotype.

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When will an organism mutation be passed on to its offspring?

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What is amniocentesis?

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It is when a sample of the

fluid is taken to detect

characteristics before birth – it can detect Down’s syndrome.

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Mutations and adaptations

Soalan 1 of 1

Waktu Kiri

How are desert animals such as kangaroo rat adapted to live in dry conditions?

Pilih Jawapan yang Betul

(0/0)

Match the three types of adaptation with their definitions.

Padankan teks (klik dan seret)

(0/0)

Structural adaptations

Physiological adaptation

Behavioural adaptation

Is what an organism does or how it behaves for example hibernation.

Is the internal metabolism and the general functioning of an organism, for example venom production.

Are an organism’s structure for example an organisms shape, colour and size.

How is a polar bear adapted to cold conditions?

Pilih Jawapan yang Betul

(0/0)

What is the advantage of the cichlid fish having different shaped mouths?

Isi tempat kosong

(0/0)

What is a mutation?

Isi tempat kosong

(0/0)

What are the three features of mutations?

Pilih Jawapan yang Betul

(0/0)

What can speed up the rate of mutations?

Isi tempat kosong

(0/0)

Match the type of mutation to its correct definition and example.

Padankan teks (klik dan seret)

(0/0)

Advantageous mutations

Disadvantageous mutations

Neutral mutations

The mutation has causesed harm to the organism. E.g. Cystic Fibrosis and Down's Syndrome

The mutation causes no change to the organism, it is neither beneficial or harmful. E.g Rabbit fur colour on the On Fair Isle.

The mutation has caused the mutant to be better than the original organism. It is the source of new variation. E.g. polyploidy in plants produces bigger sized fruit and increased yields and the peppered moths..

A new species shown may have developed due to mutations. How might the mutation have contributed to the evolution of new species?

Isi tempat kosong

(0/0)

What is the only source of variation amongst living things?

Pilih Jawapan yang Betul

(0/0)

What is variation?

Isi tempat kosong

(0/0)

What makes it possible for species to evolve?

Isi tempat kosong

(0/0)

What is a mutant?

Isi tempat kosong

(0/0)

When will an organism mutation be passed on to its offspring?

Pilih Jawapan yang Betul

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What is amniocentesis?

Isi tempat kosong

(0/0)

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0

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