Protothiriya and motothiriya me teen antar
Answers
Answered by
0
Explanation:
Prototheria vs Metatheria vs Eutheria
Prototheria (Egg laying mammals)
1. Ear without pinna.
2. No nipple
3.No corpus callosum
4. Testes abdominal, no scrotum
5. Digestive and urinogenital tracts open out through cloaca and cloacal aperture.
6. No marsupial pouch
7. Oviparous
8. No placenta
Example of Prototheria: Duck billed platypus (Ornithorynchus anatinus), Anteater (Tachyglossus)
Metatheria (Pouched mammals or marsupials)
1. Ear with pinna
2. Nipples abdominal
3. No corpous callosum
4. Scrotum in font of penis
5. Digestive and urinogenital tracts open out by separate apertures that are controlled by a common sphincter muscle.
6. Marsupial pouch often present
Follow me dear please
Similar questions