1. Introduction to Biology

Which of the following best describes grass in terms of the characteristics of life?

Which term refers to animals that lack a backbone?

Bones are composed mostly of __________.

Which characteristic is true for all living organisms?

Which of the following is a characteristic of living organisms?

Which criterion must a nutrient meet to be classified as a vitamin?

Why is it important to remember that humans are part of the environment?

Which of the following is NOT a recognized method by which infectious diseases are commonly transmitted?

Which of the following lists contains only elements that are among the ten most abundant in the human body by mass?

Which of the following conditions is often caused by obesity resulting from overeating and poor nutrition?

Which of the following is considered a biotic component of an ecosystem?

Which of the following is an attribute of living things?

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

Which statement about the properties of life is FALSE?

The biosphere is best described as the regions of Earth that support _______.