A Food Chain: Energy Flow in an Ecosystem
PTE CoreSpeakingDescribe ImageItem #14
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Process Diagram

A Food Chain: Energy Flow in an Ecosystem

Prep: 25s
Record: 40s
Look at the image below. In 25 seconds, please speak into the microphone and describe in detail what the image is showing. You will have 40 seconds to give your response.
A circular diagram titled 'A Food Chain' illustrating energy flow across five trophic levels: Plants (Producer), Small fish (Primary consumer), Large fish (Secondary consumer), Bear (Tertiary consumer), and Wolf (Apex predator), with connecting green arrows.

Sample Answer & Key Features

Review official key features and a band-9 reference response

Key Points to Include in Your Description:
  • 1Process begins with plants, which act as producers by converting sunlight into energy.
  • 2Small fish serve as primary consumers.
  • 3Larger fish follow as secondary consumers.
  • 4Chain progresses to bears, classified as tertiary consumers.
  • 5Wolves represent apex predators at the end of the chain.
  • 6Green arrows indicate the direction of energy transfer between organisms.
  • 7Overall demonstrates the interconnected nature of feeding relationships within an ecosystem.