Guess me
Am I an extinct animal?
Did I live millions of years ago?
Did I lay eggs?
Did I live before modern humans?
Dinosaur
Can I be found in rocks?
Can I provide evidence of past life?
Can I be millions of years old?
Fossil
Can I change DNA?
Can I create genetic variation?
Can I be harmful, helpful, or neutral?
Mutation
Am I a process?
Do I involve survival and reproduction?
Can I cause populations to change over generations?
Natural Selection
Can I help an organism survive?
Can I be a physical or behavioral trait?
Can I develop over many generations?