Principles of Biology
Practice
Use this resource to answer the questions that follow.
• http://www.hippocampus.org/Biology >Non-Majors Biology >Search: Cell Theory
1. What is the cell theory?
2. What is one main tenet of the cell theory?
3. Describe the findings of Schwann, Schleiden, and Virchow.
4. What findings led to the refinement of the cell theory?
5. What is one main difference between the classic cell theory and the modern cell
theory?
Review
1. Identify four unifying principles of modern biology.
2. How is gene theory related to the theory of evolution?
3. How are genes related to chromosomes?
Characteristics of Life
Practice
Use this resource to answer the questions that follow.
• http://www.hippocampus.org/Biology . > Non-Majors Biology> Search: Defining
Biology
1. What does "biology" encompass?
2. What characteristics define life?
3. Define metabolism.
4. Are viruses living? Explain your answer.
Review
1. List the six characteristics of all living things.
2. Define homeostasis.
3. What is a cell?
4. Making the next generation is known as ____________.
5. Assume that you found an object that looks like a dead twig. You wonder if it might be
a stick insect. How could you determine if it is a living thing?
Interdependence of Living Things
Practice
Use this resource to answer the questions that follow.
• http://www.hippocampus.org/Biology >Non-Majors Biology > Search: Interactions
Within Communities
1. How do organisms within a community interact with each other?
2. Describe and give examples of the two types of competition.
3. How may predation benefit the prey population?
4. Describe the various types of symbiotic relationships. Provide examples of each.
Review
1. What are biological interactions?
2. What is the difference between mutualism and commensalism?
3. What is predation?
4. What are the levels of organization that organisms interact with their environment?
Explain them.
5. Give an example of how you are interdependent on another organism.