All of them. Some animals may have remained the same for a long time, however, they did diverge from a common ancestor at some point in time.
All animals change over time in there own way
Every species on the planet.
basically all the animals you see in our world today. some have evolved some havent.
The first animals to enter land were the invertebrates, followed by some fish which later evolved into amphibians.
Yes, ants are edible and there are some animals that have evolved to feed on them exclusively.
Virtually all animals have "evolved".
because it evolved
It is probably just what environment they have evolved to.
Amphibians
No, the first animals were tiny, tiny animals that evolved from plants under the oceans. These animals later evolved into fish, some who later adapted to life on the surface, breathing oxygen through a set of lungs. Evolution carried on until where we are today.
the way they live there lives mean that they have evolved to need the nutrition that can only be provided by eating both meat and plants.
A coccyx, which is the vestigial tail in humans that sometimes grows in some rare cases.
Heterotrophs
Many animals have evolved to be stripy in order to be camouflaged to their environment. This means they will be less visible to predators and more likely to live long lives.