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प्रश्न
Mention external fertilization disadvantages.
टिप्पणी लिखिए
उत्तर १
Disadvantages of external fertilization:
In external fertilization, eggs have less chances of fertilization. This can lead to the wastage of a large number of eggs produced during the process.
Further, there is an absence of proper parental care to the offspring, which results in a low rate of survival in the progenies.
shaalaa.com
उत्तर २
Disadvantages of external fertilization:
- if occurs only in aquatic medium.
- A chance factor is involved requiring synchronous release of gametes nearby and absence of turbulence of water.
- There is no protection to young ones. They are vulnerable to a number of predators.
shaalaa.com
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