An arthropod
An arthropod has an exoskeleton.
They don't have jointed legs or an exoskeleton. Arthropods are all armoured, leggy animals, such as centi/millipedes, crustaceans, arachnids and insects. Nothing wormy there, save for their larvae. The clam worm does seem to have legs, but those are actually tufts of hair-like appendages, not true jointed arthropod legs.
Correct conclusion:Earthworm did not have any outer coverings. The outer skin of the worm is slimy to the touch, since it requires moisture in order to survive. The worm breathes through its skin.Wrong conclusion:Earthworms have a outer covering of scales.
The simplest worm is a flatworm.
It is not likely that the annelids evolved from the arthropods is as much as they are the much simpler of the two groups of organisms. The arthropods have a well developed open circulatory system, segmented muscles and a complex nervous system (including eyes and chemoreceptors, the antennae) and an exoskeleton.
Small best describes a worm hole.
I want to know iff a worm is a vertebrate?No, it isn't.No. Vertebrate means having a backbone. Worms do not have bones, therefore, they are invertebrates.
A worm is an invertebrate as it doesn't have a spine.
yes
yes
possibly.
A worm is an invertebrate.
They don't have jointed legs or an exoskeleton. Arthropods are all armoured, leggy animals, such as centi/millipedes, crustaceans, arachnids and insects. Nothing wormy there, save for their larvae. The clam worm does seem to have legs, but those are actually tufts of hair-like appendages, not true jointed arthropod legs.
it depends... if you want it to be or not ?
Worms are invertebrates as they do not have a spine.
A chimpanzee is a vertebrate.
Chimpenzee .
Chimp.