PHYLUM ARTHROPODA

Question 1

3 main characteristics of arthropoda

Answer 1

Segmented bodies
Jointed appendages
Have exoskeletons

Question 2

are coelomate, bilaterally symmetrical, triploblastic,
protostomes

Answer 2

arthropoda

Question 3

• Well develop organ system

Answer 3

arthropoda

Question 4

• Share with annelids the character of conspicuous
  segmentation (different ancestor)
  *Contains exoskeleton - chitins
• segmented body, both internally and externall
• true body segments primitively bear a pair of jointed
  appendages
• annelid-like nervous system: dorsal brain, circumenteric
  connectives, paired ventral nerve cords (often fused to
  some extent)
• growth by molting (ecdysis)
  *most are dioecious

Answer 4

arthropoda

Question 5

Have a well-developed
protective coloration and
protective resemblances

Answer 5

arthropoda

Question 6

arthropods have vMore pronounced

Answer 6

cephalization