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Physiology Nutrition in Cnidarians Quiz

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Questions and Answers

What is the name of the single cavity in cnidarians that serves as both a digestive and circulatory system?

Mesoglea

Gastrodermis

Gastrovascular cavity (correct)

Coelenteron

What is the specialized stinging cell found in cnidarians called?

Cnidocyte (correct)

Epidermis

Mesoglea

Gastrodermis

What type of symmetry is exhibited by most cnidarians?

No symmetry

Radial symmetry (correct)

Bilateral symmetry

Spherical symmetry

How do cnidarians obtain their nutrition?

By capturing prey using their tentacles (A) Signup and view all the answers

What is the name of the simple nerve net found in cnidarians?

Nerve net (A) Signup and view all the answers

Which of the following is NOT a characteristic of the mesoglea in cnidarians?

It is responsible for digestion (A) Signup and view all the answers

What is the outer layer of cells in a cnidarian called?

Epidermis (D) Signup and view all the answers

Which of the following cnidarians is NOT a colonial organism?

Sea anemone (A) Signup and view all the answers

What is the function of the gastrodermis in cnidarians?

Digestion and absorption of nutrients (B) Signup and view all the answers

Which of the following is NOT a characteristic of cnidarians?

Ability to perform photosynthesis (C) Signup and view all the answers