1. Lingual artery
2. Internal carotid artery
3. Palatine artery
4. Occipito vertebral artery
Palatine artery
1. First pair of spinal nerves
2. Twelth pair of cranial nerves
3. Ninth pair of spinal nerves
4. Seventh pair of cranial nerves
First pair of spinal nerves
1. Hatteria
2. Lepidosiren
3. Latimeria
4. Trylototriton
Hatteria
1. Myrmecobius and Emu
2. Rhea and Didelphis
3. Tinamus and Lepidosiren
4. Naja and Bungarus
Myrmecobius and Emu
1. Tachyglossus
2. Thylacinus
3. Notoryctus
4. Armadillo
Tachyglossus
1. Muscle contraction
2. Ciliary movements
3. Protoplasmic movements
4. Flagellar movements
Muscle contraction
1. Muscle cells
2. Nerve cells
3. Gland cells
4. Sperm cells
Nerve cells
1. Independent assortment of genes
2. Mutations
3. Environmental effect
4. Food habits
Independent assortment of genes
1. 1 : 1 : 2
2. 2 : 1 : 1
3. 3 : 1
4. 1 : 2 : 1
1 : 2 : 1
1. Fishes and reptiles
2. Amphibians and Reptiles
3. Birds and mammals
4. Amphibians and fishes
Birds and mammals