GENETICS AND EVOLUTION
INHERITANCE AND VARIATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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True
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False
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Either A or B
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None of the above
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Detailed explanation-1: -∙ The animals which give birth to their young ones are called viviparous animals or mammals. Animals like humans, cows, dogs, cats, lions, etc., give birth to their young ones.
Detailed explanation-2: -Oviparous organisms produce their offspring by laying eggs. While viviparous organisms produce offspring by giving birth to young ones. They do not lay eggs.
Detailed explanation-3: -Most of the roughly 7, 000 species of frog lay eggs in water, where they are fertilized externally, hatch into tadpoles, and start feeding, then gradually develop into frogs.
Detailed explanation-4: -Tadpole : The young frog that survives in water is called a tadpole. Tadpole is the immature frog or larva of frogs which persists for 1-3 months. Tadpole undergoes metamorphosis after 14 weeks to become a tiny frog. The tadpole of frogs is herbivorous.