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Question Set: Phylum Porifera
NGSS Science and Engineering Practices
NGSS Crosscutting Concepts
Table of Contents
  1. Why do scientists consider sponges to be the simplest, most basal animals?
  2. How is it possible for sponges to survive without a digestive, excretory, circulatory, or respiratory system?
  3. What are some possible functions of spicules and spongin? How are these sponge parts alike and different?
  4. What are some other uses that humans have for sponges?
  5. A gemmule is an example of a cryptobiotic life phase. Can you think of other examples of cryptobiosis in nature?
  6. Because sponges live attached to rocks, they do not move around. How do they feed and respire?
  7. What do sponges filter from the water?
Exploring Our Fluid Earth, a product of the Curriculum Research & Development Group (CRDG), College of Education. University of Hawaii, 2011. This document may be freely reproduced and distributed for non-profit educational purposes.