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.
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.
Vertebrates.
In lower vertebrates what is called vasotocin?
Animals that have spines (backbones) are called vertebrates.
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