1. Ferns A. Moss, Liver wort, Riccia2. Conifers B. Spirogyra, seaweed, cladophora3. Bryophytes C. Horsetails, Marsilea4. Algae D. Pine, deodar, cypress, spruce
1. Sporangia A. Angiosperms 2. Cones B. Ferns3. Flowers C. Gymnosperms
1. Body stream lined2. Bones air filled (pneumatic)3. Fertilization internal4. Exoskeleton made of feathers5. Powerful wing muscles 6. Presence of beak