Ecosystems
Geography ⇒ Environmental Geography
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.
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See sample questions for grade 10
A pond ecosystem contains algae, small fish, large fish, and birds. If the population of small fish decreases drastically, what is likely to happen to the population of large fish?
Describe one way in which energy is lost between trophic levels in an ecosystem.
Describe the term 'biome' and give one example.
Explain the difference between primary and secondary succession.
Explain the importance of decomposers in an ecosystem.
Explain the role of producers in an ecosystem.
Explain why energy transfer in an ecosystem is not 100% efficient.
A pond ecosystem contains algae, small fish, large fish, and birds. If the population of small fish decreases drastically, what is likely to happen to the population of large fish?
Which of the following best describes a food chain? (1) A network of interconnected food webs (2) A linear sequence of organisms through which nutrients and energy pass (3) A group of similar species (4) A type of ecosystem
Which of the following is a characteristic of a desert ecosystem? (1) High rainfall (2) Dense vegetation (3) Low biodiversity (4) Abundant water bodies
Which of the following is a decomposer? (1) Grass (2) Earthworm (3) Cow (4) Tiger
Which of the following is a function of wetlands in an ecosystem? (1) Water purification (2) Increasing desertification (3) Reducing biodiversity (4) Causing soil erosion
Fill in the blank: The interdependence of living organisms and their environment is called __________.
Fill in the blank: The largest ecosystem on Earth is the __________ ecosystem.
Fill in the blank: The process by which green plants make their own food using sunlight is called __________.
Fill in the blank: The process by which water moves from the soil to the atmosphere through plants is called __________.
True or False: All ecosystems have the same structure and function.
True or False: All producers are autotrophs.
True or False: Carnivores are organisms that feed only on plants.
True or False: Decomposers play a vital role in recycling nutrients in an ecosystem.
