External fertilization occurs in animals , which

External fertilization occurs in animals , which
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External fertilization occurs in animals , which A. Lay eggs on land B. Lay eggs in water C. Oviparous D. Viviparous
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. One very special feature in the earthworm (Pheretima) is that (a) fertilization of eggs occurs inside the body (b) the typhlosole greatly increases the effective absorption area of the digested food in the intestine (c) the S-shaped setae embedded in the integument are the defensive weapons used against the enemies (d) it has a long dorsal tubular heart.

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