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why do men exists?

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what do fossils have to do with evolution

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what do fossils have to do with evolution

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- to show where organisms have lived
- show how organisms have changed over time
-piece of evidence that determines development of characteristics, age of fossils, and preserve traces of animals, plants ect how they have changed
- show that evolution exists and how organisms have changed over time

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- animals are always becoming stronger and better suited
- no because our environment is always changing and we develop to adapt to that environment
- example king fisher birds

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why do Australian animals differ from African animals?

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why do Australian animals differ from African animals?

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- they have different surroundings
- different predators and prey available
- different habitat and climates
- different environment and appetites
-

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why have some species become extinct when others haven't?

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why have some species become extinct when others haven't?

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- adaptation to environment
- food chain positions
- breeding amount and quantity
- hunting and eating
- natural disasters / global warming
- pollution + population growth
- natural selection
- human implants
- some species have evolved much faster which has kept them from being extinct
- food resources

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11-10-18

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What disadvantage of sexual reproduction was cited by one of the scientists?

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What disadvantage of sexual reproduction was cited by one of the scientists?

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- species evolving and changing overtime
- stuff getting better at life over time
- process of organism adapting to become stronger and better version of itself

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do humans share genes with every living thing on earth?

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do humans share genes with every living thing on earth?

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- yes we have common ancestors and the same environment
- similar characteristics
- Charles arwin theory of evolution

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How much variation would you expect to see in a species where very large numbers of offspring are produced by asexual reproduction?

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How much variation would you expect to see in a species where very large numbers of offspring are produced by asexual reproduction?

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How much variation would you expect to see in a species where very large numbers of offspring are produced by asexual reproduction?

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How much variation would you expect to see in a species where very large numbers of offspring are produced by asexual reproduction?

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Does the evidence cited suggest there is more benefit to a species to reproduce asexually or sexually? Use information in the article to defend your answer. 

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Does the evidence cited suggest there is more benefit to a species to reproduce asexually or sexually? Use information in the article to defend your answer. 

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What is the advantage to a species when very large numbers of offspring are produced?

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What is the advantage to a species when very large numbers of offspring are produced?

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In paragraph 1 the term evolutionary selection is used. Try to explain what this means.

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In paragraph 1 the term evolutionary selection is used. Try to explain what this means.

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Explain what is meant by sexual selection?

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Explain what is meant by sexual selection?

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sexual selection acts as a filter to remove harmful genetic mutations helping populations to flourish and and avoid extinctinon in the long term.