subject

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 6
Describe one way humans can harm ecosystems.
Explain the difference between a food chain and a food web.
Explain why energy decreases as it moves up a food chain.
In a forest ecosystem, what might happen if all the herbivores disappeared?
Name one example of a decomposer.
What do we call organisms that make their own food using sunlight?
What is a food web?
What is a population in an ecosystem?
What is an ecosystem?
What is biodiversity?
What is the main source of energy for most ecosystems?
What is the role of a decomposer in an ecosystem?
What might happen if all the decomposers in an ecosystem disappeared?