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Question
In earthworm, fertilization occurs in which of the following structure?
In earthworm, fertilization occurs in which of the following structure?
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Solution
The correct option is D Cocoon
- In earthworms, fertilization takes place within the protection of the slime tube.
- Once free in the soil, the slime tube dries, shrinks, and forms a protective covering over the eggs. It is now called a cocoon.
- The earthworms usually hatch within 30 to 60 days, but some cocoons can remain in the soil for years before the offspring appear.
So, the correct answer is option D.
- In earthworms, fertilization takes place within the protection of the slime tube.
- Once free in the soil, the slime tube dries, shrinks, and forms a protective covering over the eggs. It is now called a cocoon.
- The earthworms usually hatch within 30 to 60 days, but some cocoons can remain in the soil for years before the offspring appear.
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