Question

Disadvantages of external fertilisation in Frogs

Answer 1

Disadvantages of external fertilization include a reliance on water and the large amount of wasted sperm and eggs that never reach a corresponding gamete, even when the organisms releasing the eggs and sperm are in close proximity. Additionally, the eggs released can have no shells, as these would stop sperm.

Answer 2

Disadvantages of external fertilisation :-

• Occurs in aquatic medium
• A chance factor is involved because synchronous release of gametes and proper turbulence of water are not sure to occur in the perfect time.
• There's no protection for the offsprings.