The upcoming discussion will update you about the difference between clasper and hemipenis. Difference # Clasper (Myxiptergium): 1. Claspers are the male copulatory organs of shark and rays. 2. The organs develop from the pelvic fins. 3. They are supported by fin skeleton. 4. The distal end is plate-like and not rounded. 5. They bear grooves to convey sperm into [...]
The upcoming discussion will update you about the difference between orninthorhyncus and tachyglossus. Difference # Orninthorhyncus: Habit and habitat: (a) Lives in burrows on river banks. (b) Good swimmers. Swimming is done by paddling of limbs and body undulations. (c) Lives on molluscs and worms. (d) Cannot roll up into a ball for protection. (e) Pinna is small and remains [...]
The upcoming discussion will update you about the difference between prototheria and theria. Difference # Prototheria: 1. Eggs or Young ones : Oviparous 2. Mammary: Mammary glands are without nipples or teats. 3. Glands: Indistinct or absent. 4. Pinna: Present and is formed by the nasal and premaxilla bones. 5. Beak Cloaca or anus: Cloaca 6. Teeth: Absent, only temporary [...]