One of the important consequences of geographical isolation is:
1. no change in the isolated fauna
2. preventing speciation
3. speciation through reproductive isolation
4. random creation of new species
Which one of the following is not a living fossil?
1. King crab
2. Sphenodon
3. Archaeopteryx
4. Peripatus
Jurassic period of the Mesozoic era is characterised by:
1. | gymnosperms, adminant plants, and first birds appear |
2. | radiation of reptiles and the origin of mammal-like reptiles |
3. | Dinosaurs become extinct and angiosperms appear |
4. | flowering plants and the first dinosaurs appear |