IGCSE /Grade 9
Science MCQ Based On Food chains food webs and energy flow
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IGCSE Grade 9 Science Food chains food webs and energy flow
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The ecosystem where the sun is not the source of energy.
Aquatic food webs are built on phytoplankton and algae.
The biotic factors (living organisms) of the ecosystem are linked together by food.
It means the energy moves in one direction only.
Energy is passed from organisms at one __________ to the next.Energy flows through an ecosystem in ___________ direction
Food chains directly depends on solar radiations.
Herbivores means who depend on plants only for their food
It should be the major producer of aquatioc ecosystem.
In a food chain, the amount of living organic matter is called biomass.
Rabbits eat the grass, plants.
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