ZOO LECTURE ECHINODERMATA & HEMICHORDATA

Name the 3 characteristics of Echinoderms
- Radial Symmetry
- Water Vascular System
- Endoskeletion of CaCO3
Explain the development of Echinoderms.

As larve they are bilateral, as adults they are pentaradial
What is the function of Echinoderms Calcium Carbonate endoskeleton?

Protection, Support & Movment
Dermal Branchiae are used for what?

respiration, gas exchange by increasing surface area.
What is the digestive gland called in an Asteroidiea?

Pyloric Ceca
Which class of Echinodermata has long skinny arms and is also fast moving?

Ophiuroidea
Which class of Echinodermata are
Scavengers and grazers and use “Aristotle’s lantern”?

Echinoidea
Which class of Echinodermata has long stalks with ciliated arms?

Crinoidea

Author

tbby5065

76315

Card Set

ZOO LECTURE ECHINODERMATA & HEMICHORDATA

Description

ECHINODERMATA & HEMICHORDATA

Updated

2011-03-31T01:41:23Z

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