Define frequency and amplitude. Explain how the pitch and volume of a sound wave is related to its frequency
and amplitude giving examples of each type of sound
to support your statements

According to the cladogram, which organisms have roundworms as a common ancestor?

Which of these has happened to your food by the time it reaches your small intestine? a. all the macromolecules have been broken down completely. b. lipids and starches have been partially broken down. c. starches and proteins have been partially broken down. d. proteins and lipids have been broken down into subunits.

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.