15.
Pinworms have smooth bodies, bilateral symmetry, and complete digestive tracts. What type of animal are they?
cnidarians
nematodes
flatworms
annelids
1 answer
Nematodes
Pinworms have smooth bodies, bilateral symmetry, and complete digestive tracts. What type of animal are they?
cnidarians
nematodes
flatworms
annelids
1 answer