Ecological Interactions

1. Which of the following explains the relationship between a population and a community?

• a. Communities are made up of populations.
• b. Populations are made up of communities.
• c. The two words mean exactly the same thing.
• d. Populations and communities have no relationship.

2. If an area is overpopulated, _____.

• a. there will not be enough food for the overpopulated species
• b. there will not be enough food for some other species in the area
• c. individual members of the overpopulated species may move away
• d. all of the above

Tags

NGSS.MS-LS2-1

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3. Which of the following ONLY eats consumers?

• a. carnivore
• b. herbivore
• c. bacteria
• d. fungi

4. As you move upward, from level to level in an energy pyramid, energy ____.

• a. decreases
• b. increases
• c. stays at the same level
• d. is destroyed

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NGSS.MS-LS2-3

5. Which is a model of feeding relationships?

• food map
• food web
• chain of energy
• protein building

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6. When a Gila monster uses a rock for shade from the noonday sun, it is interacting with __________

• an abiotic factor
• another organism
• an ecosystem
• its community

7. Which of the following is a biotic factor? (check all that apply)

• Mammals
• Bacteria
• Grass
• Worms
• Bones

8. Which of the following is an abiotic factor? (check all that apply)

• Sunlight
• Water
• Temperature
• Air
• Rainfall

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9. Which diagram best illustrates the flow of energy in an ecosystem?

• 
• 
• 
• 

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NGSS.MS-LS2-3

10. Producers are found at the bottom of a energy pyramid or food chain because producers ___.

• provide energy for consumers
• have less mass than consumers
• have fewer species than consumers
• depend on consumers

Tags

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