For phylum Echinoderms and class Crinoidea 1. Characteristics. List whether the organism is: a. Diploblastic or triploblastic (if applicable) b. Deuterostome or protostome (if applicable) c. Coelomate, pseudocoelomate or eucoelomate
For phylum Echinoderms and class Crinoidea
1. Characteristics. List whether the organism is:
a. Diploblastic or triploblastic (if applicable)
b. Deuterostome or protostome (if applicable)
c. Coelomate, pseudocoelomate or eucoelomate
2. Organ/system characteristics. Answer the following for each organism:
a. How is their circulatory system?
b. Excretory/osmoregulation: How does the organism eliminate waste? What organs do they use?
c. Skeleton/support: List the structures or ways this organism supports itself.
3. Ecology. Describe/answer the following for each organism:
a. Does it have a complete or incomplete
b. Identify any unique feeding structure
• Be sure to use the correct terms to identify any unique feeding structure(s) used by theanimal.
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