Disadvantages of external fertilisation in Frogs
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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.
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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.
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