Have you read "The Selfish Gene" by Richard Dawkins? It's not so much about the species rather than the genes themselves. We the organisms are mere survival machines for the genes.
I guess I could agree with you that animals are not getting better(a very subjective term) but they certainly do adapt or get selected over time. BUT in the end it's the genes that stick around, not the animals.
Don`t waste your time with him, its useless which is why I won`t even bother. Let his delusion persist, its more amusing that way.
Also, DO NOT go into Engineering unless you want to be in the company of Terrorists and Christian Creationists. Its brim filled with these morons.
Choose Science, History, Literature......ANYTHING but this SHITBRAIN field. I am warning you.