Period: 6
B.S. 3.3: Food Chains and Food Webs
Scene 1:
1. What are the two ways living organisms obtain energy?
A. Directly from the sun and by eating other organisms
B. Directly from the sun and drinking water
C. Eating other organisms and drinking water
D. None of the above
Scene 2:
2. Which of the following statements is true?
A. Fungi, bacteria, and insects produce their own food
B. Plants are consumers
C. Wolves are decomposers
D. None of the above
Scene 3:
3. Which of the following represents a community?
A. snake, cactus plant, fox
B. snake, cactus plant, fox, rocks, water, oxygen
C. the role the fox plays in the desert
D. None of the above
4. Which of the following represents an ecosystem?
A. snake, cactus plant, fox
B. snake, cactus plant, fox, rocks, water, oxygen
B. the role the fox plays in the desert
D. None of the above
5. Which of the following represents a niche?
A. snake, cactus plant, fox
B. snake, cactus plant, fox, rocks, water, oxygen
C. the role the fox plays in the desert
D. None of the above
Scene 4:
6. Phototrophs are:
A. consumers
B. decomposers
C. autotrophs but they are NOT producers
D. both autotrophs and producers
Scene 5:
7. Which of the following statements is true?
A. Phototrophs do NOT need the Sun in order to stay alive
B. Chemotrophs do NOT need the Sun in order to stay alive
C. Phototrophs acquire most of their energy from deep sea vents
D. Chemotrophs typically live in the photic zone where light penetrates
Scene 6:
8. Which of the following statements is true?
A. Tubeworms do NOT need autotrophs in their community
B. Heterotrophs can produce their own food
C. Cows are NOT consumers
D. Both consumers and decomposers are heterotrophs
Scene 7:
9. What do heterotrophs need to do in order to stay alive?
A. Produce energy from the Sun
B. Produce energy from deep sea vents
C. Consume either plants or animals
D.