Ecosystems
Biology ⇒ Ecology and Environment
Ecosystems starts at 6 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Ecosystems.
How you perform is determined by your score and the time you take.
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 pond ecosystem contains algae, small fish, large fish, and birds. If the population of small fish decreases, what is likely to happen to the population of large fish?
Describe one way in which climate change can affect ecosystems.
Describe one way in which human activities can disrupt ecosystems.
Describe what happens to the population of prey if the number of predators increases in an ecosystem.
Explain the difference between a food chain and a food web.
Explain the difference between primary and secondary succession.
Explain the role of sunlight in an ecosystem.
Explain why energy decreases as it moves up the trophic levels in a food chain.
Explain why removing one species from an ecosystem can have a ripple effect on other species.
Name two examples of producers in a terrestrial ecosystem.
