Indicator Species
Biology ⇒ Ecology and Environment
Indicator Species starts at 9 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Indicator Species.
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See sample questions for grade 12
A river is found to have a high abundance of pollution-tolerant midge larvae but very few mayfly larvae. What does this suggest about the water quality?
A scientist observes a sudden decline in lichen populations in a city. What might this indicate about the air quality?
Describe how the absence of an indicator species can provide information about an ecosystem.
Describe one limitation of using indicator species to assess environmental health.
Describe the difference between an indicator species and a keystone species.
Explain how indicator species can be used in the assessment of ecosystem restoration success.
Explain how indicator species can be used to monitor the effects of climate change.
Explain why amphibians are considered sensitive indicator species.
Explain why lichens are considered good indicator species for air pollution.
Explain why the use of multiple indicator species is often more reliable than using a single species.
What is an indicator species?
