Phylum Arthropoda

name "phylum arthropoda" means:

• joint hand/arm

• joint foot/leg

• joint elbow/wrist

• intertwine

True or False: largest and least diverse phylum

• True

• False: most

relatives of annelids

• True

• False

• Questioning

segments historically had __ pair(s) of appendages (ex: centipede)

• 1

• 2

• 3

• 4

True or False: high degree of modification since divergence

• True

• False: low

____ brain, _____ nerve cord

• dorsal; dorsal

• dorsal; ventral

• ventral; dorsal

• ventral; ventral

what are phylum arthropoda's exoskeleton made of?

• eucoelomates

• ecdysis

• chitin

• hemocoels

What are some advantages of their exoskeleton's being made of chitin?

• protection

• restricts size

• support

• anti-desiccation

what are some disadvantages to their exoskeleton's being made of chitin?

• protection

• restricts size

• support

• anti-desiccation

True or False: arthropod is very strong during their time of shedding their exoskeleton in order to grow

• True

• False: vulnerable