Snails do not have any bones in their body, so they have no joints. Their entire body lacks any sort of support structure, which is why they grow their shells.
Yes.
No.
Segmented Bodies
Segmented Bodies
Segmented bodies- Gradpoint/Novanet
Polychaetes are marine annelids (segmented worms) with extensive hairs protruding from the side of their bodies.
Annelids are segmented worms, such as earthworms or nightcrawlers.
annelids
The types of organisms which have segmented bodies include annelids, arthropods, echinoderms, and chordates. Some of the most obvious examples of segmentation are found in insects which belong to the arthropods.
No, they are arachnids. Annelids are segmented worms.
Segmented bodies- Gradpoint/Novanet
Annelids are segmented worms, coming from the Latin for for "ring", anulus.
yes
Annelids are bilaterally symmetric and triploblastic protostomes with a coelom, closed circulatory system and true segmentation. Their segmented bodies and coelom have given them evolutionary advantages over other worms.