Adaptation and competition Flashcards

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1
Q

What is an adaptation

A

A certain characteristic or feature that allows an organism to survive in it’s habitat

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2
Q

What is inherited variation

A

A characteristic that is a result of genetic inheritance from the parents

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3
Q

Name some examples of inherited variation

A

Eye colour, hair colour, skin colour, lobed or lobeless ears

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4
Q

What can affect the the characteristics of the plant and animal species

A

Climate, diet, accidents, culture, lifestyle

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5
Q

What is environmental variation

A

Variation caused by surroundings

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6
Q

What are the main features of Darwin’s theory?

A
  • individuals compete for limited resources
  • individuals in a population show natural variation
  • individuals with characteristics best suited to their environment are more likely to survive to reproduce
  • ‘successful’ characteristics are inherited
  • species unable to compete become extinct
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7
Q

What did Darwin’s theory cause

A

Controversy as it is seen to conflict with religious views about the creation of the world and the creatures in it

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8
Q

What two ideas did Lamark’s theory centre upon

A
  • the law of use and disuse

- the law of inheritance of acquired characteristics

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9
Q

What is Darwin’s theory

A

Evolution

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