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. 
-In the figure, which number represents an embryo?
Definitions:
Capital Flight
The sudden and large-scale withdrawal of capital or assets from a country due to economic or political instability.
"Brain Drain"
The emigration of highly trained or qualified people from a particular country.
Aggregate Demand
A schedule or curve that shows the total quantity of goods and services that would be demanded (purchased) at various price levels.
World's Output
The total production of all goods and services across all countries in the world.
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