Fossils of an animal called ichthyostega shows that it had lungs and legs. it also had teeth and a tail similar to those of fish. ichthyostega is considered to be one of the first amphibians. other fossils show that amphibians lost these fish-like features. how might scientists interpret the fossil of ichthyostega?

a)it was the last of the animals that became fish

b)it might be an animal that came out of the ocean and began to live on land

c)it might be a connection to birds that returned to the ocean to become fish

d)it was the last of the land animals with lungs