Consider the two statements:
I. Moulting may be responsible for 80 to 90% of all arthropod deaths.
II. The exoskeleton cannot stretch and thus restricts growth and hence moulting.

1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. Only I is correct
4. Both I and II are incorrect

Subtopic:  Phylum Arthropoda |

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