Vertebrates do not have exoskeletons. However, they do have internal organs, vertebral columns, and tails. Lampreys are vertebrates that also do not have jaws.
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No - they are in the oyster\clam world, and have no shape of their own like vertebrates do. Well, except for that one startling appendage . . .
Yes, all of the vertebrates can except fish.
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The following are characteristics of Gregorio chants except:
Indian Attacks.
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Yes pigeons have spleens. All vertebrates have spleens except lampreys and hagfishes.
Vertebrates have an internal skeleton and a spine. Therefore, vertebrate can be herbivore (cattle, horses, etc), or carnivore (lion, tiger), or omnivore (human - except those choosing to be a vegetarian or a vegan).
Where Slaves in the south worked in all of the following EXCEPT gold mines.