woodlouses have an exoesquelet or in other words their bones are ''out side"
no crabs aren't vertebrate it is a Crustacean.
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Its not.
A dragonfly is not a vertebrate at all. Dragonflies are insects which are classified as invertebrates.
Louse is already singular. The plural is lice.
yes a louse is a parasite! :)
the single insect is called a 'Louse' a Louse
Bird
The possessive form of the singular noun louse is louse's.
A horse is a vertebrate, simple as that.
No. Lice, which is the plural for louse, are classified as invertebrates, not vertebrates. Only mammals, birds, fish, reptiles and amphibians are vertebrates. Lice are in the phylum Arthropoda and Class Insecta, none of which are vertebrates.
To a Louse was created in 1786.