Nudibranchs, a type of predatory sea slug, can have various protuberances (that is, extensions) on their dorsal surfaces. Rhinophores are paired structures, located close to the head, which bear many chemoreceptors. Dorsal plumules, usually located posteriorly, perform respiratory gas exchange. Cerata usually cover much of the dorsal surface and contain nematocysts at their tips.
The spiracles and tracheae of insects have a function most similar to that of .
A) rhinophores
B) dorsal plumules
C) cerata
D) chemoreceptors

Respuesta :

The right response is (C) Cerata

Nudibranchs, a group of marine molluscs without shells also known as sea slugs.

Describe Cerata.

  • Other than species like Glaucus atlanticus, which feeds on nematocytes and may mistake you for a predator and sting you, most nudibranchs are harmless to humans despite the unpleasant or toxic taste they can impart to their non-human predators.
  • Cerata greatly increase the surface area of nudibranchs and improve the efficiency of respiration, the exchange of gases for metabolic use.
  • Cerata is occasionally usable in both offense and defense. The digestive systems of certain aeolid nudibranchs reach into the cerata.

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