What is the study of the history of life on Earth called?

What are scientists who study the history of life on Earth called?

Complete the sentence: The further down the layers of rock a fossil is found _______

Which of these living things on Earth today did the ichthyosaur most resemble?

Which word describes a species that is no longer living on Earth?

Which word describes an animal that has a backbone

Which of the following features would not be used to classify an organism as a frog?

Which word would you use to help classify a flamingo?

Which of the following objects would make the clearest shadow?

Which of the following is an example of a non-luminous light source?