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1. Which of the following is a possible producer in an ecosystem?

A. Plants and some bacteria capable of producing their own food
B. Animals
C. Human beings
D. Fish



Answer :

Final answer:

Producers like plants and bacteria are vital in ecosystems for providing essential organic molecules. Bacteria converting nitrites to nitrates is a key process in the nitrogen cycle. Plants and animals are biotic components that contribute to ecosystem balance.


Explanation:

Producers in an ecosystem are organisms that make their own food, such as plants and some bacteria. They are essential for providing organic molecules that support all other organisms in the ecosystem. Without producers, energy flow within the ecosystem would be disrupted, impacting the entire food chain.

In the nitrogen cycle, the process of bacteria converting nitrites to nitrates takes place. This transformation is vital for making nitrogen available to plants, which then absorb nitrates from the soil for growth.

Biotic components in an ecosystem include plants and animals. These living organisms play crucial roles in shaping the ecosystem by interacting with each other and with the abiotic factors, ensuring the ecosystem's balance and functioning.


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