A vertebrate, since sloths are mammals and all mammals are vertebrates.
The sloth is a vertebrate, and a mammal.
Vertebrae.
invertebrate - has exoskeleton
An invertebrate.
A young sloth is called a baby sloth or a sloth baby.
no
It is an invertebrate 
A bullfrog is not an invertebrate; it has a spine.
The octopus is an invertebrate... It has no skeleton.
seriously? wow....... did you pass 4th grade? invertebrate
perezoso = sloth (the animal), and a slothful person. Pereza = sloth (the act of sloth or the mortal sin)
What colour is a sloth? Does he suffer from sloth?