1. | Recapitulation theory | 2. | Baer’s law |
3. | Descent with modification | 4. | Punctuated equilibrium |
1. | Darwin did not believe in the inheritance of acquired traits while Hugo de Vries did. |
2. | Evolution for Darwin was gradual while Hugo de Vries believed mutation caused speciation. |
3. | Evolution for Darwin was a stochastic process and for Hugo de Vries was a determinist process. |
4. | Fitness for Darwin was reproductive fitness and for Hugo de Vries was physical fitness. |
1. | Carboniferous | 2. | Permian |
3. | Triassic | 4. | Jurassic |