1. Introduction to Biology

Which of the following best describes human hair: is it considered biotic or abiotic?

Which is the central element for all living things?

Pandas eat bamboo for energy. Based on this information, how are pandas classified?

Which of the following is NOT considered one of the main characteristics of life?

Which of the following is essential for all organisms and required for their survival?

Where is the ozone layer located in Earth's atmosphere?

What structure is common to all domains of living organisms?

Which characteristic of life is most directly demonstrated when an organism engages in exercise to improve physical fitness?

An artist who was famous for his lifelike depictions of the human body during the Renaissance was:

Which characteristic of life is most directly related to the statement: "Muscle mass can affect a person's flexibility"?

Which of the following actions best demonstrates good physical fitness in teens to their families?

Which four elements are most abundant in living organisms?

Which of the following characteristics of life is demonstrated when humans maintain a stable internal body temperature despite changes in the external environment?

While the number decreases with age, approximately how many taste buds does an average human have at birth?

Which characteristic of life is best illustrated by the statement: "The mass of a particular eagle is twice that of a hunted pigeon"?