The most critical evolutionary process, that leads to changes in allele frequencies and favors or promotes adaptation as a product of evolution, is :
1. | Genetic drift | 2. | Gene migration |
3. | Mutation | 4. | Natural selection |
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Invertebrates were formed and were active by the time of:
1. | 200 mya | 2. | 300 mya |
3. | 400 mya | 4. | 500 mya |
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The most accepted line of descent in human evolution is:
1. | Australopithecus → Ramapithecus → Homo sapiens → Homo habilis |
2. | Homo erectus → Homo habilis → Homo sapiens |
3. | Ramapithecus → Homo habilis → Homo erectus → Homo sapiens |
4. | Australopithecus → Ramapithecus → Homo erectus → Homo habilis → Homo sapiens. |
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