Differentiate between flat worms and round worms.
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Answer:
A flatworm has a thin, dorsoventrally flattened body. Roundworms are more cylindrical in shape and tapered to a fine point at one end. Similarly, roundworms have a rigid outer covering called a cuticle that they shed repeatedly throughout their lives and as they grow. Flatworms do not have this; their bodies, instead, are covered with cilia, hairlike growths. The gliding locomotion of a flatworm is powered by many tiny cilia on the outer surface of its body. Roundworms, on the other hand, have longitudinal muscles (oriented lengthwise down the worm) that they contract to bend their bodies in a thrashing motion. Flatworms generally live in bodies of water, while roundworm species can live either on water or in soil.
Answer:
A flatworm has a thin, dorsoventrally flattened body. Roundworms are more cylindrical in shape and tapered to a fine point at one end. ... Flatworms do not have this; their bodies, instead, are covered with cilia, hairlike growths.
Explanation:
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