Phylum Ecdysozoa Flashcards
1
Q
What are the phylums in ecdysozoa? (there is 2)
A
Nemata
Arthropoda
2
Q
what are the sub phylums in phylum arthropoda? (there is 3)
A
Chelicerata: Has chelicerae ( front fangs), 2 tagmata, 6 legs. Spiders, scorpions, mites
Myriapoda: Centipedes and millipedes
Pancrustacea: 3 tagmata. Has class malacostraca and class insecta
3
Q
Characteristics of arthropoda?
A
- Jointed limbs
- metameric segmentation
- chitinous exoskeleton
- open circulatory system
4
Q
Characteristics of nemata:
A
- animals that shed (do ecdysis)
- Synapomorphies
- have a non elastic cuticle ( need to mold)
