Year 7 Ecology - Understanding Energy Flow in Ecosystems

What is the primary role of producers in an ecosystem?

• To convert sunlight into chemical energy through photosynthesis

• To consume herbivores and carnivores

• To decompose dead organisms and waste

• To act as secondary consumers

Tags

NGSS.MS-LS1-6

Which of the following is a primary consumer?

• Rabbit

• Fox

• Eagle

• Fungi

Tags

NGSS.MS-LS2-3

What is the main difference between a food chain and a food web?

• A food chain shows a direct line of energy transfer, while a food web shows interconnected food chains

• A food chain includes decomposers, while a food web does not

• A food chain is more complex than a food web

• A food web only includes producers and primary consumers

Tags

NGSS.MS-LS2-3

What role do decomposers play in ecosystems?

• They recycle energy by breaking down dead organisms and waste

• They act as primary consumers

• They convert sunlight into chemical energy

• They are at the top of the food chain

Tags

NGSS.MS-LS2-3

Which of the following organisms is considered a tertiary consumer?

• Wolf

• Rabbit

• Fungi

• Algae

Tags

NGSS.MS-LS2-3