Animal Phyla Flashcards
1
Q
Porifera
A
Asymmetrical
No body cavities (pores instead)
No segmentation
Spicules for support
e.g. Sea sponge
2
Q
Cnidaria
A
Radial symmetry
Mouth but no anus
No segmentation
Stinging cells (cnidocytes)
Jellyfish, coral, sea anemone
3
Q
Platyhelmintha
A
Bilateral symmetry
Mouth but no anus
No segmentation
Flattened body
e.g. Tapeworm
4
Q
Annelida
A
Bilateral symmetry
Mouth and anus
Segmented
Move via peristalsis
e.g. Earthworm
5
Q
Mollusca
A
Bilateral symmetry
Mouth and anus
Non-visible segmentation
May have a shell
e.g. Snail
6
Q
Anthropoda
A
Bilateral symmetry
Mouth and anus
Segmented
Exoskeleton
e.g. Insects
