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Question
Small eyes and tentacles occur in star fish
Small eyes and tentacles occur in star fish
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Solution
The correct option is C Near distal part of each arm
The oral surface bears a mouth, ambulacral grooves and spines and tube feet.
The proximal part of the arm bears the madreporite.
Tentacles are terminal (distal) and have sensory cells which are tactile (related to touch) in nature and are also sensitive to food and other chemical stimuli. The eyes of starfish are simple and possess pigments. They are found at the base of the tentacles.
The aboral surface of disc possesses spines for attachment to the substratum.
So, the correct option is 'Near distal part of each arm'
The oral surface bears a mouth, ambulacral grooves and spines and tube feet.
The proximal part of the arm bears the madreporite.
Tentacles are terminal (distal) and have sensory cells which are tactile (related to touch) in nature and are also sensitive to food and other chemical stimuli. The eyes of starfish are simple and possess pigments. They are found at the base of the tentacles.
The aboral surface of disc possesses spines for attachment to the substratum.
So, the correct option is 'Near distal part of each arm'
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