Protostome Animals II

How do Ecdysozoans grow?

• incrementally, like laying down bands of shell

• molting an exoskeleton

• spontaneous generation

• cloning

Millipedes

• are active hunters

• have two pairs of legs per body segment

• have one pair of legs per body segment

• are carnivores

Wings are located on which body segment in insects?

• thorax

• head

• cephalothorax

• abdomen

A cephalothorax is a shared characteristic between which two groups?

• crustaceans and myriapods

• crustaceans and insects

• chelicerates and myriapods

• crustaceans and chelicerates

Tags

NGSS.MS-LS4-2

Roundworms

• have an elastic cuticle

• breathe via simple diffusion

• have a pseudocoelom

• all of these

Daddy longlegs are considered to be true spiders.

• True

• False

Centipedes

• are detritivores

• have two pairs of legs per body segment

• have one pair of legs per body segment

• have one pair of legs per body segment AND are carnivores

An example of a chelicerate:

• barnacle

• lobster

• horseshoe crab

• centipede

Tags

NGSS.MS-LS4-2

What type of animal was shown molting at the end of the last class?

• tarantula

• crayfish

• scorpion

• centipede

The three defining characteristics of arthropods are

• segmented bodies, chitinous exoskeleton, jointed appendages

• unsegmented bodies, elastic cuticle, no appendages

• segmented bodies, elastic cuticle, jointed appendages

• none of these