After realizing that floral sex parts varied in number, Linnaeus developed a plant classification system based on their sexual anatomy. The number of stamens (which produce male gametes), their length ...

Like animal cells, basic plant cells have a nucleus ... Xylem cells transport water from the roots to other parts of the plant. Phloem cells transport sugary water from the leaves to the rest ...

Gregor Mendel discovered the basic principles of heredity ... instead becoming a part-time assistant teacher and carrying out research in plant breeding. His most famous experiments were done ...