| 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 |
A population of a species invades a new area. Which of the following condition will lead to adaptive radiation?
| 1. | Area with a large number of habitats having very low food supply |
| 2. | Area with a single type of vacant habitat |
| 3. | Area with many types of vacant habitats |
| 4. | Area with many habitats occupied by a large number of species |