The following question refers to the generalised life cycle for land plants shown in the figure. Each number within a circle or square represents a specific plant or plant part, and each number over an arrow represents meiosis, mitosis, or fertilisation. 
- Which number represents a megaspore mother cell in the figure?
Definitions:
Industrial Production
The measure of output of the industrial sector of the economy, including manufacturing, mining, and utilities.
Foreign Consumers
Individuals or organizations located in one country who purchase goods or services produced in a different country.
Industrial Policy
A strategic effort by a government to encourage the development and growth of specific sectors or industries within the economy.
Economic Development
The process by which a nation improves the economic, political, and social well-being of its people, typically seen through increases in income, education, and health.
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