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8 Cards in this Set
- Front
- Back
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What is the name of the theory of evolution proposed by Charles Darwin |
Theory of evolution by natural selection |
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Why did people object to Darwin’s theory |
Religion, people believed god made the world, not enough evidence and there was no way to explain inheritance as genetics was not known about |
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How did Lamarck’s theory differ from Darwin’s |
He thought organisms acquired the advantageous characteristics during their life and passed them on |
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Why is it important to study the similarities and differences between living organisms |
These studies help us to understand the evolutionary relationships between different organisms |
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Describe the process of natural selection |
Variation –populations of organisms have variations.<?xml:namespace prefix = o />
Over-production –produce more young than will survive to adulthood.
Struggle for existence – competition for survival between the organisms
Survival – those with advantageous characteristics are more likely to survive Advantageous characteristics inherited – better adapted organisms are more likely to reproduce successfully passing on the advantageous characteristics to their offspring in their genes. Gradual change – over a period of time the more individuals with the advantageous characteristics in the population |
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What does an evolutionary tree show |
Relations ships between different organisms and where they originated from.<?xml:namespace prefix = o />
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What is a species |
A group of similar organisms that can breed to produce fertile offspring<?xml:namespace prefix = o />
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What is classification |
Grouping organisms to show how closely they are related.<?xml:namespace prefix = o />
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