- 1) shared derived (synapomorphy)2) shared ancestral (symplesiomorphy)
- What type of animals is the embryological development of the digestive tract relevant to?
- What type of animals can be classified by body cavities?
- Which phylum do the eumatazoan characteristics not apply to?
- What reflects developmental health and genes in bilateral symmetry?
- Which environmental condition is suitable for asexual reproduction?
- Exoskeleton (some are molted and others not molted)
- Which environmental condition is suitable for sexual reproduction?
- Name the following for Phylum Porifera:- Symmetry- Coelom- Digestive System- Circulatory System- Excretory System- Respiratory System- Segmentation- Primary Body Support
- Mollusca and Annelids are characterized by sharing the presence of a trocophore larva during their development. (True/False)
- Platyhelminths and Nematoda are characterized by presenting (in most classes) a highly specialized parasitic life.
- The Phylum Platyhelminthes is characterized by being ______ (Coelom) and presenting a ______ body.
- Octopus, squids, nautilus, and cuttle fish belong to what Phylum and Class?
- In Obelia colonies, we will normally find ______ and ______ polyps.
- The Scolex in flatworms (Cestodes) is charactrized by being a fixation specialization to the host intestine formed by ______ and ______.
- The Phylum Mollusca is characterized by having a ______ coelom and the presence of a ______ larva during their developmental stage.
- The Phylum Rotifera owes it name to the characteristic movement of their ciliated crown resembling a "rotor" or wheel. (True/False)
- The Phyllum platyhelminth is characterized by presenting a body support of ____________ and ______ skeleton.
- Which of the following characteristics is typical of the Phylum Porifera?
- The Phylum Rotifera is characterized by presenting a(n) ______ digestive system and ______(Coelom).