PDF chapter test TRY NOW
Hens and frogs are both oviparous exhibiting different types of fertilisation, explain.
1. The hens are oviparous or viviparous animals?
2. How does fertilization occur in frogs, internally or externally?
3. What surrounds fertilized frog eggs for protection?
4. Where does the development of the frog embryo take place, inside or outside the body?
Answer variants:
Viviparous
Hard
Outside
Oviparous
Inside
Internally
Externally
Jelly
Register for free to see more content