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Give reasons for the following: Compar...

Give reasons for the following:
Compared to internal fertilization, external fertilization is disadvantageous to the animal.

Text Solution

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In external fertilization, the offsprings are extremely vulnerable to predators threatening their survival upto adulthood.
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Give reasons for the following: a. Compared to internal fertilization the external fertilization is disadvantageous to the animal. b. Chances of survival of young ones are more in vivparous than in oviparous.

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Knowledge Check

  • Which of the following is pair of bio-fertilizers?

    A
    Azolla and blue green algae
    B
    Nostoc and legumes
    C
    Rhizobium and grasses
    D
    Salmonella and E. coli

  • Which of the following is pair of bio-fertilizers?

    A
    Azolla and blue green algae
    B
    Nostoc and legumes
    C
    Rhizobium and grasses
    D
    Salmonella and E. coli

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