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List the advantages and disadvantages of each sponge body plan:
1. Asconoid
2. Syconoid
3. Leuconoid
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- Which of the following is not a member of the phylum Chordata? a. Cephalochordata b. Echinodermata c. Urochordata d. VertebrataDescribe the feeding mechanism of sponges and identify how it is different from other animals.Most sponge species are of leuconoid construction, is this an advantage or disadvantage?
- Most sponge species are of leuconoid construction, is this type of spongeconstruction an advantage or disadvantage?Which of the following characteristics are found within the pseudocoelomate phyla (Diploblastic/bilateral symmetry/ circulatory system/ cuticle)?1. Describe the three body types of Sponges and identify the class possessing the body type and its spicules. 2. Give the classes of Cnidarians and describe their life forms and body structures.
- Briefly describe asconoid, syconoid, and leuconoid body types in spongesdescribe how the body organization of sponges differs from that of all other animals?Which of the following results from sexual reproduction in sponges? a. Parenchymula b. Gemmule and parenchymula c. Parenchymula and external bud d. Gemmule e. Gemmule and external bud d. External bud
- By means of words and arrows describe the pathway water and food take through the syconoid sponge.What are the criteria that delimit this phylum echinodermata to its classes? What are the striking characteristics of this phylum which help you identify mollusks easily? What are the importance of mollusks? Differentiate univalves from bivalves. How do mollusks breathe?A. Describe the general characteristics of Poriferans as to: Description of Poriferan characteristics 1. habitat 2. symmetry 3. integumentary features 4. nutrition 5. spicules B. Differentiate the three types of canals systems of sponge as to structure, efficacy, and importance.
