Describes the difference between gymnosperms and angiosperms and how a conifer protects its seeds inside cones. Discusses the reproductive features of conifers, the physical characteristics of male and female cones, and the reproductive...

Comprehensive overview of trees features facts on structure, leaves, species, characteristics, reproduction, and conservation.

An online summary of the evolution of flowering plants at an advanced level. The text is supported by good illustrations and is followed by a quiz. This is a good review for exams.