Analyzing Ecosystem Energy Flow Statements

The question asks to identify the correct statements regarding energy flow in ecosystems. Let's analyze each statement:

• Statement (a): Energy flow from producers to consumers is unidirectional

  This statement is correct. In an ecosystem, energy flows from the producers (like plants) to the primary consumers (herbivores), then to secondary consumers (carnivores), and so on. Energy is lost at each trophic level, primarily as heat, and does not flow backward to lower levels. This makes the energy flow a unidirectional process.

• Statement (b): Energy pyramid can never be inverted

  This statement is considered incorrect in the context of the provided answer. While energy pyramids are typically upright because energy is lost at each transfer, the assertion that they can never be inverted might be debated or considered false depending on specific interpretations or contexts not provided. However, based on the correct option, this statement is excluded.

• Statement (c): Transfer of energy follows the 1% law

  This statement is considered correct. Often, the term "1% law" refers to the approximate efficiency of producers (like plants) in converting solar energy into chemical energy through photosynthesis. Typically, only about 1% to 2% of the available solar energy is captured and stored by producers. While the transfer between subsequent trophic levels often follows the 10% rule, the initial capture efficiency is significantly low, aligning with the concept presented.

Identifying Correct Statements

Based on the analysis:

• Statement (a) is correct.
• Statement (c) is correct (interpreting the "1% law" as producer energy capture efficiency).
• Statement (b) is excluded as per the correct answer option.

Therefore, the correct statements are (a) and (c).

Final Answer Selection

The combination including statements (a) and (c) corresponds to the correct option.