The diagram below shows the major organs and organ systems of a typical angiosperm (flowering plant).

What is meant by the term organ?
Name the organ labelled in the diagram that is specialised for sexual reproduction.
Name the two plant organ systems shown in the diagram.
Name two distinct plant tissues found in a leaf.
The list below outlines several physiological processes that occur in flowering plants. Identify the correct plant organ from the diagram for each process: