closed
Closed
Earthworms are a worm but flatworm is a type of heart worm
leech is an Annelid worm used for treatment of illness.
Worms have a closed circulatory system because they inherited it from their ancestors.
leech
No. An annelid is a worm - completely soft all the way through.
The annelids are segmented worms. Although some annelids have appendages and primitive sight organs (photo-reactive pigment spots), earthworms do not. Earthworms do, however, have the typical annelid neural ganglia, and the annelid circulatory system, including the aortic arches that function as the worm's heart. And, of course, earthworms are segmented.
No, it is in a phylum separate from reptiles, amphibians or insects. It is in the phylum Annelid.
earth worm, grasshopper cockroach,snail and molluscians
Annelid is just the Phylum. There are actually 17,000 different species in this one phylum! Three different worms could be: The Tape Worm, The Segmented Worm, and the Christmas Tree Worm.
No an alligator is a reptile and and annelid is a segmented worm.
segmented worms