1. Introduction to Biology

After hot lava erupts from a volcano, what typically happens to it as it cools?

Which of the following is true about steroids?

In the context of human biology, the transmission of sounds in the external ear depends on the vibration of which movable bones?

At what stage of human development does a child typically begin to get its first teeth?

What is the main function of red blood cells in the human body?

Which of the following best describes the primary characteristic that distinguishes living organisms from non-living matter?

Which organ system is primarily responsible for excreting nitrogenous wastes from the body?

Which of the following best describes the function of the choroid in the human eye?

Would a multicellular organism, such as a human, be able to survive if its body consisted of only one type of cell?

Which term refers to the study of the form and structure of organisms without consideration of their function?

Which of the following best describes the primary focus of ecology, a major theme in AP Biology Unit 8?

Which statement is true regarding peak bone mass?

The volume of glomerular filtrate is ______ the volume of urine formed and excreted.

Which of the following best distinguishes bioaccumulation from biomagnification?

During a typical 24-hour period in a pond, how do temperature and oxygen levels generally change?