Term
|
Definition
Definiate shape, radially symmetrical. Two body forms: polyp and medusa. |
|
|
Term
Phylum Cnidaria. Tissue Layers: Living? |
|
Definition
Epidermis and gastrodermis. |
|
|
Term
Phylum Cnidaria. Tissue Layers: Mesoglea? |
|
Definition
Gelatinous; supportive; elastic. Internal "skeleton." Acellular or mesenchyme cells. |
|
|
Term
Phylum Cnidaria. Muscular Layers: Diploblastic Ectoderm and Endoderm Layers? |
|
Definition
Epithelomuscular and nutritive-muscular cells. |
|
|
Term
Phylum Cnidaria. Digestion? |
|
Definition
Have digestive system, but only 1 opening. Gut is gastrovascular cavity, ciliated. |
|
|
Term
Phylum Cnidaria. Cnidocytes? |
|
Definition
Secrete organelles: cnidae: nematocysts (many with toxins). |
|
|
Term
Phylum Cnidaria. Reproduction? |
|
Definition
Planula larvae: ciliated, motile, non-feeding. |
|
|
Term
Phylum Cnidaria. Nutrition? |
|
Definition
Mostly carnivorous; some eat phytoplankton. Some have endosymbionts. |
|
|
Term
Phylum Cnidaria. Nerve Network? |
|
Definition
|
|