Q. A single rotting apple may contain an estimated number of worms i.e.,

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Q. Gills of bony fishes are covered by

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Q. Pore-bearing animals are commonly called

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Q. Arthropods have well developed excretory system, which is composed of

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Q. Mammalian ancestors and reptiles lived together in Jurassic times hence called

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Q. Common name for Madrepora is

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Q. Undulating waves of contraction and relaxation of muscles helps Nematodes in

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Q. Group of animals which feed on their mother's milk are called as

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Q. Largest group of arthropods exists in class

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Q. Exoskeleton of colonial coelenterates take lime from

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Q. Lobed structure which is present at mouth of alimentary canal of annelids is termed as

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Q. Sperms of sponges are released in water and taken to eggs by

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Q. Sense organs which are present on lips at anterior ends are called

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Q. Coral islands and coral needs are formed by skeleton of

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Q. Archaeopteryx has much resemblance to dinosaurs and each wing had

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Q. Insects which eat dead animals and vegetables are known as

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Q. Sponges are

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Q. Cylindrical animals which are nutritive in function are polps of cnidarian and named as

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Q. Mammals which give birth to young ones of their own kind are called

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Q. Amphioxus is a sub-phylum

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