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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When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 9
A river is found to have a high number of tubifex worms and very few mayfly larvae. What does this suggest about the river's water quality?
A scientist observes a sudden decline in frog populations in a wetland. What might this indicate about the wetland's environment?
Describe how indicator species can be used to monitor the effects of acid rain.
Describe one reason why indicator species might disappear from an ecosystem even if pollution levels have not changed.
Describe one way in which indicator species can help scientists detect pollution.
Explain how indicator species can be used to track the recovery of an ecosystem after a disturbance.
Explain how the absence of a particular indicator species can signal an environmental problem.
Explain why it is important to use more than one indicator species when assessing ecosystem health.
Explain why lichens are considered good indicator species for air pollution.
What is an indicator species?
Why are amphibians considered good indicator species for environmental health?
