The Permian extinction killed approximately ____ of all marine invertebrate species.

Match the questions with the answers

Solve the absolute value inequality. Write the solution in interval notation. ≥ 5

A flowerless, seed-bearing plant is called a(n) ____.

A fundamental geologic principle stating that in a vertical sequence of sedimentary rocks, the oldest layer is at the bottom whereas the youngest is at the top:

Match the dinosaur group with its description.

Match the cratonic sequence with its description.

The principle of superposition states that ____.​

This is the term that describe the basic rate at which the vocal folds vibrate in a person.

Most genetic variation in a population arises from _________.