31. Invertebrates
Echinoderms
31. Invertebrates
Echinoderms
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- Multiple ChoiceWhat is one visible feature that makes it easy to identify sea cucumbers as echinoderms?748views
- Multiple ChoiceWhich of the following statements about the phylum Echinodermata is true?1079views
- Multiple ChoiceThe water vascular system of a sea star functions in __________.1182views
- Textbook Question
The water vascular system of echinoderms
a. Functions as a circulatory system that distributes nutrients to body cells
b. Functions in locomotion and feeding
c. Is bilateral in organization, even though the adult animal is not bilaterally symmetrical
d. Moves water through the animal's body during filter feeding
2617views - Textbook Question
Which of the following combinations of phylum and description is incorrect?
a. Echinodermata—bilateral symmetry as a larva, coelomate
b. Nematoda—roundworms, pseudocoelomate
c. Platyhelminthes—flatworms, gastrovascular cavity, acoelomate
d. Porifera—gastrovascular cavity, coelomate
1480views - Multiple ChoiceWhat type of symmetry do adult echinoderms exhibit?343views