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B
Neotany
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C
Regressive metamorphosis
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D
Body regeneration
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Solution
The correct option is A Maternal care The picture represents the Suriname toads. These are best known for their remarkable reproductive habits. The female releases 3 to 10 eggs, which get embedded in the skin on her back by the male's movements. After implantation, the eggs sink into the skin and form pockets over a period of several days. This eventually takes on the appearance of an irregular honeycomb. The larvae develop through to the tadpole stage inside these pockets, eventually emerging from the mother's back as fully developed toads. Hence they show maternal care and tadpoles does not develop independently.