ANIMAL REPRODUCTION AND DEVELOPMENT
ASEXUAL REPRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Asexual reproduction occurs because each half has a similar structure
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Asexual reproduction occurs because each half has the same genetic information
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Sexual reproduction occurs because each half has a parent and an offspring
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Sexual reproduction occurs because each half has one-quarter of the parent’s genetic information
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Detailed explanation-1: -Beyond their distinctive shape, sea stars are famous for their ability to regenerate limbs, and in some cases, entire bodies. They accomplish this by housing most or all of their vital organs in their arms.
Detailed explanation-2: -In autotomy, an arm is shed with part of the central disc attached, which continues to live independently as a “comet", eventually growing a new set of arms. Although almost all sea stars can regenerate their limbs, only a select few sea star species are able to reproduce in these ways.
Detailed explanation-3: -The small regenerate that emerges from the early regenerative phase will morph into a miniature starfish arm come 3-6 months post amputation.
Detailed explanation-4: -Some species of sea star have the ability to regenerate lost arms or even regenerate a whole new sea star from a single arm attached to a portion of the central disc. Regeneration is possible because each of the arms contains parts of the vital organs including the digestive tract and reproductive organs.