Which structure found in echinoderms can sometimes perform a similar function as a radula found in some mollusks? This Is A Scie nce Question
2 answers:
Answer: Foot.
Explanation:
Echinoderm means spiny skin. Some example of echinoderms are star fish, sea urchin, sand dollar.
These organisms have no eyes, no brains but they posses tube feet. This feet helps them in respiration, feeding and locomotion.
Tube feet helps in passing food to the oral cavity. This organ performs the similar function to radula in mollusks.
I think it’s D which is the stomach if not I can get you someone that can help you
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Answer:
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Answer:
D) 250 decibels
Explanation:
Answer
Given,
Energy absorbed,
Energy expels,
Temperature of cold reservoir, T = 27°C
a) Efficiency of engine
b) Work done by the engine
c) Power output
t = 0.296 s
