1. | Homo erectus | 2. | Neanderthal man |
3. | Homo habilis | 4. | Australopithecus |
1. | This theory was proposed by Alfred Wallace. |
2. | Variations are small directional changes. |
3. | Single-step large mutation is a cause of speciation. |
4. | Large differences due to mutations arise gradually in a population. |
1. | Creation of life from dead and decaying matter |
2. | Creation of life from chemicals |
3. | Origin of sperm in human testes |
4. | Transfer of spores as a unit of life from other planets of Earth |
Select the correct match regarding adaptive radiation of Australian marsupials corresponding to placental mammals
1. Numbat-Flying Squirrel
2. Tasmanian Wolf - Bobcat
3. Marsupial mouse- Mole
4. Spotted Cuscus - Lemur
Genetic Drift occurs due to :
1. Natural selection
2. Sudden population migration
3. Continuous gene migration
4. Mutation
1. | Flippers of penguins and dolphins are a pair of homologous organs. |
2. | Analogous structures are a result of convergent evolution. |
3. | Sweet potato and potato is an example of analogy. |
4. | Homology indicates common ancestry. |