Think of a plant... a plant is a complex plant because it has tubes so that it can breathe. Okay. Now think back onto an animal... why is an animal called a complex animal? The same reason why a plant is called a complex plant. Animals have tubes to breathe through. For which plants and animals are similar. That's why a animal is called a complex plant
"Vertebrate" means with a backbone, and a skeleton. Only animals can be vertebrates. Think fish, amphibians, reptiles, bird and mammals.
No. They have a fairly rigid body surface called an exoskeleton that provides stability instead.
Vetebrates and protochordates.
vetebrates
vetebrates are animals with a backbone. they are also warmblooded
Yes, horses are vetebrates and mammals.Yes. :-)
yaks have 3000000 vetebrates
Some do, some don't.
how do phyla of vetebrates vary
Phylum Vertebrata has the most complex animals.
Yes, all birds are vetebrates.
no it does not, only living organisms that are vetebrates have blood