| 1. | Sporophyte attached to gametophyte |
| 2. | Gametophyte which is dominant |
| 3. | Sporophyte which is independent |
| 4. | Gametophyte attached to sporophyte |
| 1. | Their gametes require water for movement and fusion |
| 2. | Their sporophytes cannot survive under sunlight |
| 3. | Their leaves lack any pigment for photosynthesis |
| 4. | Their spores fail to germinate on dry substrates |