What Is The Upper Surface Of The Starfish Called

Oral spines oral.

Oral aboral oral oral aboral oral. What is the lower surface of the starfish called. Most starfish or sea stars are pentamerous having five arms that radiate from a central disk. The upper surface of the starfish is called the aboral.

Biol 112 spring 2014. Madreporite aboral c. Click again to see term. Water enters through this into the water vascular system.

Suckers oral d. On which surface are these parts of a starfish visible. What is the upper surface of the starfish called. On which surface are these parts of a starfish visible.

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In your own words trace the path water takes through the water vascular system. Click again to see term. Label the central disc arms and madreporite on figure 1. Oral ventral 11.

Feel the upper surface of the starfish for spines. What is the lower surface of the starfish called. Tap again to see term. Tap again to see term.

These spines protect the starfish and are part of their internal skeleton. Many species are brightly coloured in various shades of red or orange while others are blue grey or brown. The aboral or upper surface may be smooth granular or spiny and is covered with overlapping plates. Locate the small round hard plate called the madreporite on top of the central disc.

What is the upper surface of a starfish called. At the base of the spines are pincer like structures called pedicellaria that protect the starfish from small animals or algae that might settle on the body surface. On which surface are these parts of a starfish visible. Label these on figure 1.

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Starts at madreporite to stone canal to the ring canal down each arm and the tube feet. Oral spines e. Ambulcaral groove 5. Starfish have tube feet operated by a hydraulic system and a mouth at the centre of the.

What is the lower surface of the starfish called. Tap card to see definition. What is the upper surface of the starfish called. Mouth oral b.

In words trace the path water takes through the water vascular system. What type of symmetry did your starfish have. The sea star is covered with tough skin and sharp calcareous spines. The lower surface is called the oral.

Click card to see definition. Oral spines e. What type of symmetry did your starfish have.