SDSU Invertebrate Biology Main Characteristics of The Phylum Porifera Worksheet

answer the following questions in full sentences:

1. List at least five (5) of the main characteristics of the Phylum Porifera including unique ones.

2. Briefly describe the major cell types in Porifera and include their function.

3. List main kinds of asexual reproduction and larval types in the Phylum Porifera.

4. Briefly describe some unique/additional aspects of sponge biology outside of body design, feeding and reproduction.

5. Deep-sea sponges are very important to the ecology of the deep oceans and are very common on abyssal plains. In their adaptation to the deep sea, sponges have modified their body design, their feeding and their reproduction. Describe the classes of deep-sea sponges and how their body design and feeding mode are unique even among the already unique Phylum Porifera.