Tetrapods
increasing abundance of food sources on land
No... it's a mammal. Amphibians are water/land dwelling vertebrates such as frogs, toads, salamanders, newts and mudpuppies.
They have some similarities. Both reptiles and mammals are primarily land-dwelling vertebrates, though some species are aquatic.
The first land vertebrates appeared in the: Devonian
They are called vertebrates
Amphibians (frogs, newts, toads and salamanders).
Yes it is.
Animals that have spines (backbones) are called vertebrates.
In lower vertebrates what is called vasotocin?
There is none beyond that all animals are related and that bats and birds are both land-dwelling vertebrates. Birds, bats, and insects developed flight independently of one another.
Yes, a porcupine is a vertebrate. As most land-dwelling animals, the porcupine has a fully developed spine, and the quills on its back are often called spines
No. A seahorse is an ocean-dwelling type of pipefish. A crocodile is a land-dwelling reptile.