Name
Class
Date
How do cells obtain energy?
Lesson Review
Complete the following.
1. A cell releases energy from food without using oxygen by _____________________________________ .
2. Plants use sunlight to make food in their leaves by using a process called ________________________ .
3. A plant breaks down sugar and releases energy using a process called __________________________ .
4. Plants use the Sun’s energy to produce oxygen and ____________________________________________ .
5. The ability to do work or cause change is _____________________________________________________ .
6. Photosynthesis occurs in a plant’s ___________________________________________________________ .
7. Fermentation causes cells to break down sugar into carbon dioxide and _________________________ .
8. During photosynthesis, plants take in water and ______________________________________________ .
Skill Challenge
Skills: interpreting diagrams
Answer the questions about the diagram shown above.
1. What process is being shown by the substances moving into and out of this structure?
___________________________________________________________________________________________
2. What is the name of the structure shown? _____________________________________________________
3. Which substances are combined to release energy? _____________________________________________
4. Which substances are byproducts? ____________________________________________________________
Concepts and Challenges in Life Science, Teacher’s Resources CD-ROM
(c) by Pearson Education, Inc./Globe Fearon/Pearson Learning Group. All rights reserved.
Cell Structure and Function
Answer Key
How do cells obtain energy?
Lesson Review
1. fermentation 2. photosynthesis 3. cellular
respiration 4. glucose 5. energy 6. chloroplasts
7. alcohol molecules 8. carbon dioxide
Skill Challenge
1. cellular respiration 2. mitochondria 3. glucose
and oxygen 4. water and carbon dioxide
Concepts and Challenges in Life Science, Teacher’s Resources CD-ROM
(c) by Pearson Education, Inc./Globe Fearon/Pearson Learning Group. All rights reserved.
Cell Structure and Function