| 1. | DNA from sex chromosomes only |
| 2. | Chromosome morphology only |
| 3. | Fossil remains |
| 4. | Banding pattern of autosomes |
| 1. | Modern man (Homo sapiens) arose around 75,000-10,000 years ago in North America |
| 2. | Along with the increase in cranial capacity, parallel evolution of human brain and language occurred |
| 3. | First eukaryotic cellular forms of life appeared on earth about 2000 million years ago |
| 4. | Biggest land reptiles disappeared 65mya from earth |