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Starfish Anatomy Diagram Quiz

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Questions and Answers

What is found on the ventral side of a starfish?

Dorsal side

Rays

Mouth (correct)

Eye Spot

What are tube feet?

Sticky suction cups on the ventral side.

What are the arms of a starfish called?

Rays

Where is the eye spot found on a starfish?

On the tip of each ray. Signup and view all the answers

What does the ventral side refer to?

The bottom side; back. Signup and view all the answers

What is the dorsal side of a starfish?

The top side; front. Signup and view all the answers

What phylum do starfish belong to?

Echinodermata Signup and view all the answers

What type of symmetry do starfish have?

Radial Signup and view all the answers

Study Notes

Starfish Structure and Features

Mouth: Located on the ventral side, serving as the entry point for food.
Tube Feet: Found on the ventral side, these are sticky suction cups that assist in movement and feeding.
Rays: Refers to the arms of a starfish, typically five in number, extending from the central disc.
Eye Spot: Positioned at the tip of each ray, sensitive to light, aiding in navigation.

Orientation of Starfish

Ventral Side: Known as the bottom side, where the mouth is located; crucial for feeding.
Dorsal Side: The top side or front, which is used for protection and sensory functions.

Biological Classification

Echinodermata: The phylum that includes starfish, characterized by their radial symmetry and a water vascular system.
Radial Symmetry: A type of symmetry seen in starfish, allowing for a circular arrangement of body parts around a central axis.

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Description

Test your knowledge of starfish anatomy with this engaging quiz. Identify key parts such as the mouth, tube feet, rays, and more. Perfect for biology students looking to reinforce their understanding of echinoderms.