What is the primary function of the muscular closing valve of spiracles in Echinoderms?
Understand the Problem
The question is asking about the primary function of the muscular closing valve of spiracles in Echinoderms. We need to identify the correct function out of the provided options that relates to how Echinoderms manage their respiratory processes.
Answer
To prevent water from flowing back into the radial canal.
The primary function of the muscular closing valve of spiracles in Echinoderms is to prevent water from flowing back into the radial canal.
Answer for screen readers
The primary function of the muscular closing valve of spiracles in Echinoderms is to prevent water from flowing back into the radial canal.
More Information
In echinoderms, the muscular closing valves maintain the proper direction of fluid flow necessary for functions like locomotion and respiration.
Sources
- Phylum Echinodermata | manoa.hawaii.edu/ExploringOurFluidEarth - manoa.hawaii.edu
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