Test+Questions

Chapter 2 Test Questions: 1. What six characteristics do all living things have in common? 2. Explain the difference between simple and complex carbohydrates. 3. Give an example of a food source that contains simple carbohydrates and an example of one that contains complex carbohydrates.

Critical Thinking Questions: Remember to answer in complete sentences. 1. An organism’s ability to maintain homeostasis is important to its survival. Explain why an organism that lives on land has more complex mechanisms to maintain a stable internal environment than organisms that live in water. 2. Explain why a single-celled organism produces an offspring identical to itself. 3. List the five building blocks of cells, and describe one important life function each one performs.

Bonus Question: Show Your Work - Be sure to write out the equation (This will be a bonus question on the test for extra points)

After all the water is removed from its body, a certain insect weighs 3 g. Find

the insect’s original body weight. (Hint: About 70% of the mass of the living

insect was water.)