Symmetry
The two types of body symmetry?
Bilateral and Radial
What are the three major tissue types and animal can have?
The ectoderm, mesoderm and endodoerm
What habitats does porifera live in?
Mostly marine habitats
What phylum has filter feeders?
Porifera
Which phyla have a gastrovascular cavity?
Cnidaria and Platyhelminthes
Are bilaterally symmetrical animals diploblastic or triploblastic?
Triploblastic
What are the three different coelom types an animal can have?
Eucoelom, pseudocoelom and acoelom
What habitat(s) does Platyhelminthes live in?
Aquatic and damp terrestrial habitats
What is the difference between a centipede and a millipede?
Centipedes- carnivorous
Millipedes- Herbivores
Which Lophotrochozoan phyla exhibit segmentation?
Annelida and Rotifera/Syndermata,
What phylum can have no body symmetry?
Porifera
How many body layers does phylum Syndermata have?
3
You can expect an Annelida with parapodia to live in what habitat?
Aquatic habitats
Which Lophotrochozoan phyla have parasitic members?
Platyhelminthes and Annelida
What are the three body parts that all members of Mollusca share?
Muscular foot, visceral mass, mantle
How many phyla have radial symmetry?
2 (Cnidaria and sometimes Porifera)
What is the relation between the attachment of the tissue layers and the type of coelom in pseudocoelomates?
The mesoderm only lines the ectoderm, but not the endoderm
Which Lophotrochozoan phyla have non-aquatic species?
Mollusca, Platyhelminthes and Annelida
What is a lophophore?
A set of ciliated tentacles used for feeding
Which Lophotrochozoan phyla lack a circulatory system?
Platyhelminthes and Rotifera/Syndermata
Does radial symmetry always indicate a gastrovascular cavity?
No, porifera are suspension feeders
What does the ectoderm become? What does the mesoderm become?
the skin and nervous system, the muscles
A terrestrial mollusc without a shell belongs to which class?
Gastropoda
Which phyla have trochophores?
Annelida and Mollusca
What does dioecious mean?