Answer: The correct answer is C) 10% of the plant's energy.
In an ecosystem, there are various trophic levels, which form the part of the food chain. Producer like plants forms the first trophic level as they synthesize their own food via photosynthesis.
The energy from producers is transferred to the primary consumers. It is only 10% of the producer's energy.
This is in accordance with the 10% law of energy transfer. According to this law, only 10% of the energy is transferred from one trophic level to the next trophic level in an ecosystem. This is because the rest of the energy is utilized by the organism or released as heat in the environment.
Thus, option C) is the right answer.
