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. 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 7

Describe the difference between a food chain and a food web.

Explain how humans can help protect ecosystems.

Explain the role of sunlight in an ecosystem.

Explain the term 'trophic level' in an ecosystem.

Explain why decomposers are important for the environment.

Give one example of a decomposer found in soil.

In a forest ecosystem, if the population of deer increases greatly, what might happen to the plants and tigers?

Which of the following best describes a food web? (1) A single line of energy flow (2) A network of interconnected food chains (3) Only producers and consumers (4) Only decomposers

Which of the following helps maintain balance in an ecosystem? (1) Overhunting (2) Pollution (3) Natural predators (4) Deforestation

Which of the following is a characteristic of a healthy ecosystem? (1) Low biodiversity (2) Balanced food chains (3) No decomposers (4) Only one species

Which of the following is a man-made ecosystem? (1) Lake (2) Aquarium (3) Forest (4) Ocean

Consumers depend on _______ for their food.

Fill in the blank: The first trophic level in a food chain is occupied by _______.

Fill in the blank: The non-living components of an ecosystem are called _______ factors.

Fill in the blank: The process by which green plants make their own food is called _______.

Decomposers break down dead plants and animals. True or False?

True or False: A garden is an example of an artificial ecosystem.

True or False: All animals in an ecosystem are consumers.

True or False: All ecosystems are of the same size and complexity.