In: Biology
9. Phylum Chaetognatha (6)
Highest level of organization (cellular, tissue, organ)- organ
Type of symmetry (asymmetry, radial symmetry, pentamerous radial symmetry, bilateral
symmetry)- bilateral symmetry
Number of germ layers (diploblastic, triploblastic)-triploblastic
Type of body cavity (acoelomate, pseudocoelomate, coelomate)- coelomate
Development pattern (protostome, deuterostome) protosome by molecular phylogenists and deuterostome by traditional embryologists.
Feeding method (filter feeder, suspension feeder, deposit feeder, predator, herbivore)-predator
10. Phylum Ectoprocta (6)
Highest level of organization (cellular, tissue, organ)- tissues and organs.
Type of symmetry (asymmetry, radial symmetry, pentamerous radial symmetry, bilateral
symmetry)- bilateral symmetry
Number of germ layers (diploblastic, triploblastic)-triploblastic
Type of body cavity (acoelomate, pseudocoelomate, coelomate)- coelomate
Development pattern (protostome, deuterostome)- not confirmed
Feeding method (filter feeder, suspension feeder, deposit feeder, predator, herbivore)- fliter feeder
11. Phylum Phoronida (6)
Highest level of organization (cellular, tissue, organ)-tissues and organs
Type of symmetry (asymmetry, radial symmetry, pentamerous radial symmetry, bilateral
symmetry)- bilateral symmetry
Number of germ layers (diploblastic, triploblastic)- not applicable . They have 3 parts (prosome, mesosome, metasome)
Type of body cavity (acoelomate, pseudocoelomate, coelomate)- coelomate
Development pattern (protostome, deuterostome)- mixture of both
Feeding method (filter feeder, suspension feeder, deposit feeder, predator, herbivore)- filter feeds
12. Phylum Brachiopoda (6)
Highest level of organization (cellular, tissue, organ)- tissues and organs
Type of symmetry (asymmetry, radial symmetry, pentamerous radial symmetry, bilateral
symmetry)- Bilateral symmetry
Number of germ layers (diploblastic, triploblastic)- not applicable ( other 2 layers)
Type of body cavity (acoelomate, pseudocoelomate, coelomate)- coelomate
Development pattern (protostome, deuterostome)-split in between the two
Feeding method (filter feeder, suspension feeder, deposit feeder, predator, herbivore)- flier feeder and herbivore( phytoplanktons)
13. Phylum Hemichordata (6)
Highest level of organization (cellular, tissue, organ)- organ system
Type of symmetry (asymmetry, radial symmetry, pentamerous radial symmetry, bilateral
symmetry)- bilateral symmetry
Number of germ layers (diploblastic, triploblastic)- triploblastic
Type of body cavity (acoelomate, pseudocoelomate, coelomate)-coelomate
Development pattern (protostome, deuterostome)- deuterostome
Feeding method (filter feeder, suspension feeder, deposit feeder, predator, herbivore)-suspension feeders