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Internal fertilization present  in –
  • a)
    sycon and pleurobranchia
  • b)
    fasciola and ctenoplana
  • c)
    obelia and echinus
  • d)
    ascaris and locusta
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Internal fertilization present in –a)sycon and pleurobranchiab)f...
In oviparity, fertilized eggs are laid outside the female's body and develop there, receiving nourishment from the yolk that is a part of the egg. This occurs in most bony fish, many reptiles, some cartilaginous fish, most amphibians, two mammals, and all birds.
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Most Upvoted Answer
Internal fertilization present in –a)sycon and pleurobranchiab)f...
Option - ( d ).
Ascaris (Round worm) belong to phylum - Aschelminthes in which fertilisation is internal and development may be direct or indirect.
Locusta (Locust) a gregarious pest belonging to largest phylum Arthropoda usually have internal fertilisation.
Community Answer
Internal fertilization present in –a)sycon and pleurobranchiab)f...
Internal fertilization is present in many animals, including mammals, reptiles, birds, and some fish. In these species, the male deposits sperm inside the female's body, where the eggs are fertilized. This is in contrast to external fertilization, where the eggs and sperm are released into the environment and fertilization occurs externally. Internal fertilization typically allows for greater protection of the developing embryos and increases the chances of successful reproduction.
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Internal fertilization present in –a)sycon and pleurobranchiab)fasciola and ctenoplanac)obelia and echinusd)ascaris and locustaCorrect answer is option 'D'. Can you explain this answer?
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