Tundra Ecosystem Food Web Concepts

The video tutorial addresses challenges students face with food webs, explaining the roles of producers, primary, secondary, and tertiary consumers, and decomposers. It uses a Tundra ecosystem example to illustrate energy flow and consumer levels, encouraging students to engage with the material and understand the food web structure.

What is the main topic of the video tutorial?

• The lifecycle of plants

• Food webs in a Tundra ecosystem

• The migration of birds

• The water cycle

Which of the following is a producer in the Tundra food web?

• Snowy owl

• Bare sedge

• Short-tailed weasel

• Brown lemming

What role does the brown lemming play in the food web?

• Producer

• Primary consumer

• Tertiary consumer

• Secondary consumer

Which organism is identified as a secondary consumer in the video?

• Bare sedge

• Brown lemming

• Parasitic Jecker

• Lichen

How does the video suggest identifying secondary consumers?

• By looking at the size of the organism

• By following the arrows in the food web

• By observing their habitat

• By counting the number of organisms

Which of the following is NOT a secondary consumer in the food web?

• Brown lemming

• Parasitic Jecker

• Short-tailed weasel

• Grizzly bear

What is the role of decomposers in the ecosystem?

• They produce energy

• They recycle nutrients

• They consume producers

• They are primary consumers

Which of the following is an example of a decomposer mentioned in the video?

• Grizzly bear

• Mushroom

• Snowy owl

• Brown lemming

What is a tertiary consumer?

• A second-level consumer

• A first-level consumer

• A producer

• A third-level consumer

What advice does the teacher give about attempting the stages?

• Skip difficult questions

• Make a good attempt and challenge yourself

• Focus only on easy questions

• Work for hours without breaks