ch. 33 coelomates anthropoda Flashcards
3/4 of all living species are what?
pylum anthropoda
exoskeleton composition in anthropoda
chitin and protein
- tough, or soft and flexible
- impermeable to water
bodies of anthropoda
segmented bodies with appendages for locomotion, food handling, or reproduction
tagmata
fused body segments
cephalization of anthropoda
well-developed organs for sight, touch, smell, hearing, and balance, compound eyeso
ommatidia
compound eyes
characteristics of anthropoda
- open circulatory system
- complex digestive system
open circulatory system in anthropoda
gast exchange done by gills, tracheal system with spiracles, or book lungs
complex digestive system in anthropoda
excretion by metanephridia or Malpighian tubules
subphylum trilobita
extinct, bottom feeders, little specialization of body segments
ex. of subphylum chelicerata
- spiders, scorpions, ticks, mites
subphylum chelicerata
- 2 magmata - cephalothorax and abdomen
- 4 pairs walking legs, pedipalps, celicerae
subphylum myriapoda classes
- class diplopoda
- class chilopoda
- class pauropoda
- class sympyla
class diplopoda
millepedes
- 2 pairs of legs per segment, herbivorous
class chilopoda
centipedes
- 1 pair of legs per segment, carnivorous, poisonous claws