Indicator Species
Biology ⇒ Ecology and Environment
Indicator Species starts at 9 and continues till grade 12.
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See sample questions for grade 11
A river is being monitored for pollution. Scientists notice a sharp decline in the population of mayflies but an increase in pollution-tolerant worms. What does this suggest about the river's water quality?
A scientist observes a decline in lichen diversity in a city over ten years. What might this indicate about the city's air quality?
A wetland restoration project is being evaluated. Scientists observe an increase in frog populations. What does this suggest about the wetland's health?
Describe how lichens can be used to monitor air quality in urban areas.
Describe one limitation of using indicator species for environmental monitoring.
Describe the difference between an indicator species and a keystone species.
Explain how indicator species can be used in conservation efforts.
Explain why amphibians are considered good indicator species for environmental monitoring.
Explain why indicator species are important for ecosystem management.
Explain why the loss of an indicator species can be a warning sign for ecosystem managers.
What is an indicator species?
