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Question : a. Differentiate oviparous and viviparous with examples. b. In which of these two types, is the chances of survival of young ones, greater? Why? |
Answer» Solution :a. Oviparous animals are those which lay eggs, covered by hard calcare-ous shell in a safe place. These eggs after a period of INCUBATION hatch out as young ones. e.g. Reptiles and birds Viviparous animals are those which keep the fertilization product - ZYGOTE within the body of female organism and after attaining a CERTAIN stage of growth are delivered from the body. e.g. Human beings b. Viviparous. Because of PROPER embryonic CARE and protection inside the body. |
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