Cnidaria Flashcards
(6 cards)
1
Q
Cnidaria
A
jellyfish, have true tissue
2
Q
Cnidaria features
A
- radial symmetry
- diploblastic
- carnivores
3
Q
Radial symmetry
A
round, cut at any flat plane and both sides will be the same
4
Q
Diploblastic
A
2 embryonic layers, internal endoderm and external ectoderm, and have a middle non-cellular mesoglea
5
Q
Cnidaria feeding
A
digestion occurs in the gastrovascular cavity, where digestive enzymes are released from specialised cells
6
Q
Tissue definition
A
group of cells that have
- common function
- common structure
- co-ordinate function