Ecdysozoan Protostomes A. The three phyla in the protostome group Ecdysozoa all have external coverings that shed periodically.

Question

Ecdysozoan Protostomes
A. The three phyla in the protostome group Ecdysozoa all have external coverings that shed
periodically.
Nematodes are unsegmented roundworms covered by a flexible cuticle and are perhaps
the most abundant animal on Earth
Members of phylum
and jointed appendages.
a.
are segmented animals with a hard exoskeleton
include spiders, ticks, mites, scorpions, and horseshoe crabs, all
of which have modified appendages used for biting.
b. include shrimps, lobsters, crabs, and their relatives, all of which
have a fused cephalothorax..

Kunduz · Accepted Answer

Click to see the answer