1. Fishes                  A. Internal  fertilization

2. Amphibians         B. Calcareous  eggs

3. Mammals             C. External fertilization

4. Reptiles               D. Eggs laid in water

1. Ferns                 A. Moss, Liver wort, Riccia

2. Conifers             B. Spirogyra, seaweed, cladophora

3. Bryophytes         C. Horsetails, Marsilea

4. Algae                  D. Pine, deodar, cypress, spruce