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Question
Algae → Dragonflies → Fishes → Otters.
In the given aquatic food chain, which organism occupies the bottom position?
Algae → Dragonflies → Fishes → Otters.
In the given aquatic food chain, which organism occupies the bottom position?
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Solution
The correct option is C algae
In an ecosystem, a food chain is made up of organisms that depend on each another to obtain energy. Plants always occupy the bottom position of food chains. They acquire energy directly from the sun. This allows them to synthesise the food they need for their growth and survival, through a process called photosynthesis. All animals depend directly or indirectly on plants for energy. Algae are photosynthetic just like plants. Hence they occupy the bottom position of the aquatic food chain.
algae
In an ecosystem, a food chain is made up of organisms that depend on each another to obtain energy. Plants always occupy the bottom position of food chains. They acquire energy directly from the sun. This allows them to synthesise the food they need for their growth and survival, through a process called photosynthesis. All animals depend directly or indirectly on plants for energy. Algae are photosynthetic just like plants. Hence they occupy the bottom position of the aquatic food chain.
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