the ant is better protecting it's interanl organs from outside harm.
Yes. For example, Ants.
No.
Ants do not sink because of there exoskeletons. An ants exoskeleton makes an ant lighter. the material of an ants exoskeleton helps too.
They have an exoskeleton.
an exoskeleton
No ants have an exoskeleton ---- Ants are insects; and all insects are invertabrates, meaning they don't have a spine (backbone).
Crabs, lobsters, beetles, ants.
External - Exoskeleton .
Yes all ant do.
It's strong, easy for an animal to form and repair, and can be shed and replaced, but it significantly hampers movement. Some creatures with exoskeletons (such as beetles or ants) cannot get up if they fall on their backs, and this is because of the inflexibility of an exoskeleton.
Yes! For example, some bugs (such as ants) have an exoskeleton. This is an external skeletal covering.
Fire ants are not chordates, because to be in the phylum Chordata you must have some sort of spinal column. Fire ants, having and exoskeleton and being in the family insecta would have to be in the phylum Arthropoda.