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 lacertilia and ophidia. Difference # Lacertilia: 1. Shape: Elongated body, usually with two pairs of limbs. 2. Neck: Distinct 3. Limbs: Excepting the limbless lizards, the limbs are pentedactylus, each digit ending in a claw 4. Eyelids: Usually an upper and a lower eyelid are present. In the members of [...]
In this article we will discuss about Reptiles:- 1. Origin of Reptiles 2. Ancestry of Reptiles 3. History 4. Evolutionary Gain 5. Adaptive Radiation 6. Habit and Habitat 7. Size 8. Skin 9. Skeleton System 10. Digestive System 11. Respiratory System 12. Circulatory System 13. Nervous System and Sense Organs 14. Excretory System 15. Reproductive System. Contents: Origin of Reptiles [...]