spiders belong to a group of arachnids.
arachnids have the following traits :
they have two body parts.
they have eight legs unlike insects which have 6 legs.
they have no wings.
these traits distinguish them from insects.
the information that antonio is doubting us the statement that spiders differences are as a result of being first to evolve.
this is because the evolution of one species is independent of the other species.
the correct answer is c with the systems
the answer to your question is b