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Write short notes on: (a) Flatworms (c) Reptiles (b) Arthropods (d) Mammals |
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Answer» Flatworms (Platyhelminthes, GREEK "platy"': flat; "helminth": worm) are a phylum of invertebrates. They are relatively simple animals. They have soft bodies. With about 25,000 known species, they are the largest phylum of animals without a body cavity.Reptiles are a class of vertebrates made up mostly of snakes, turtles, LIZARDS, and crocodilians. These animals are most easily recognized by their dry, scaly skin.Arthropods are invertebrate animals having an exoskeleton, a segmented body, and paired JOINTED appendages. Arthropods form the phylum Euarthropoda, which includes insects, arachnids, MYRIAPODS, and crustaceansMammal, (class MAMMALIA), any member of the group of vertebrate animals in which the young are nourished with milk from special mammary glands of the mother. . |
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