If an animal has bones, it´s a vertebrate. Fish, amphibians, reptiles, birds and mammals are vertebrates. A Jack Russell is a mammal.
Hope this helps ;)
invertebrates
vertebrates and invertebrates different?
They are vertebrates.
Vertebrates have spines & invertebrates do not have spines.
Vertebrates have spinal chord and invertebrates don't.
because jack russells are good at pest control
None, Jack Russells are dogs, they have puppies not babies.
Vertebrates.
Invertebrates.
invertebrates
The chordata contains both vertebrates and invertebrates.
all vertebrates have endoskeleton but not all invertebrates do