Q: You are presented with the quiz "Most of what kind of animal have good eyesight and a good sense of smell?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "most reptiles have good eyesight and a keen sense of smell" and "reptilia contains over 7800 entries on numerous species of reptiles". So, what's the best answer to the question?

Options:
[1]. have a positive impact on the environment
[2]. members of their own species
[3]. Something that makes plants green
[4]. passenger pigeons
[5]. Something with a head, thorax, and abdomen
[6]. Something that is self-aware
[7]. competing for resources
[8]. animals in the class reptilia
A:
[8].