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.
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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?
In a forest ecosystem, what might happen if all the herbivores disappeared?
Which of the following best describes a consumer?
(1) Makes its own food
(2) Eats other organisms
(3) Breaks down dead matter
(4) Absorbs sunlight
Which of the following helps increase biodiversity in an ecosystem?
(1) Planting more types of plants
(2) Cutting down trees
(3) Polluting rivers
(4) Overfishing
Which of the following is a biotic factor?
(1) Soil
(2) Temperature
(3) Fish
(4) Water
Which of the following is a freshwater ecosystem?
(1) Ocean
(2) Lake
(3) Desert
(4) Grassland
Fill in the blank: Animals that eat both plants and animals are called __________.
Fill in the blank: Animals that eat only other animals are called __________.
Fill in the blank: Animals that eat only plants are called __________.
Fill in the blank: The living parts of an ecosystem are called __________.
True or False: A desert is an example of an ecosystem.
True or False: All ecosystems have the same types of plants and animals.
True or False: All ecosystems must have both living and non-living components.
True or False: Decomposers break down dead plants and animals.
