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Question
_________ divided earth into six biogeographic realms based on the distribution of animals and plants.
_________ divided earth into six biogeographic realms based on the distribution of animals and plants.
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Solution
The correct option is A Wallace
The study of patterns of distribution of animals and plants in different parts of Earth is called biogeography. Wallace has divided earth into six biogeographic realms on the basis of distribution of animals and plants. These are as follows:
- Nearctic - North America
- Palaearctic - North Asia and Europe
- Neotropical - Central and South America
- Oriental - India, Ceylon, Malaysia, Indonesia, Philippines
- Ethiopian - South Africa
- Australian - Australia, New Zealand and nearby areas
Darwin proposed the theory of natural selection based on his observations in the Galapagos islands. According to him, individuals with the best characteristics will be selected by nature and they will reproduce and establish themselves in their habitat.
Louis Pasteur proposed the theory of biogenesis. According to him, life can only come from pre-existing ones. He proved this by his famous swan neck experiment.
Hugo de Vries proposed the mutation theory or the saltation theory. He proposed that new species are originated by the large discontinuous variations that appear suddenly in the existing members of organisms.
The study of patterns of distribution of animals and plants in different parts of Earth is called biogeography. Wallace has divided earth into six biogeographic realms on the basis of distribution of animals and plants. These are as follows:
- Nearctic - North America
- Palaearctic - North Asia and Europe
- Neotropical - Central and South America
- Oriental - India, Ceylon, Malaysia, Indonesia, Philippines
- Ethiopian - South Africa
- Australian - Australia, New Zealand and nearby areas
Darwin proposed the theory of natural selection based on his observations in the Galapagos islands. According to him, individuals with the best characteristics will be selected by nature and they will reproduce and establish themselves in their habitat.
Louis Pasteur proposed the theory of biogenesis. According to him, life can only come from pre-existing ones. He proved this by his famous swan neck experiment.
Hugo de Vries proposed the mutation theory or the saltation theory. He proposed that new species are originated by the large discontinuous variations that appear suddenly in the existing members of organisms.
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