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faltersainse [42]
3 years ago
10

How does an echinoderm use its tube feet

Biology
1 answer:
My name is Ann [436]3 years ago
3 0

An echinoderm uses its  tube feet for attachment and feeding.

Explanation:

  • Tube feets are usually considered as locomotory organ  of Echinoderm.
  • They have tube feets arranged around their oral groove.
  • These tube feed help the organism to push the food into the oral groove.
  • Tube feets also help the echinoderms to attach themselves to the  floor of the ocean and locomote slowly in a sliding manner.

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Upon exposure to stressors or threats, the sympathetic nervous system is triggered. Epinephrine and norepinephrine are then released, causing acceleration of the heart, constriction of blood vessels, increase in blood pressure, profuse sweating and other related responses against stress. The sympathetic nervous system controls all these involuntary responses that could be termed “fight-flight-or-freeze” response.

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