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Wake Forest University: Angiosperms Reproduction/life Cycle
This informative resource describes the advances that angiosperms possess over conifers. It also looks at the parts of a flower, how fruit develops and the life cycle of an angiosperm.
BiologyWise
Biology Wise: Life Cycle of Conifers
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...
Curated OER
Conifers Use Cones and Seeds Since Flowering Plants Had Not Appeared.
This engaging article on gymnosperms offers good descriptions and background on these seed bearing plants. Learn about their characteristics and what makes these plants different from angiosperms.
San Diego Zoo Global
San Diego Zoo: Trees
Comprehensive overview of trees features facts on structure, leaves, species, characteristics, reproduction, and conservation.
Biology 4 kids
Biology4 Kids: Gymnosperms First Plants With Seeds
This engaging article on gymnosperms offers good descriptions and background on these seed bearing plants. Learn about their characteristics and what makes these plants different from angiosperms.
Ohio State University
Ohio State University: Anthophyta, Evolution & Diversity
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.
Michigan State University
Michigan State University: Botany Online: Features of Flowering Plants: Flowers
Site details the parts of the flower as well as provides links to terms such as seed, calyx, corolla and many more.
Curated OER
You Will Find Cycad Cones Growing in the Center of the Plant.
This engaging article on gymnosperms offers good descriptions and background on these seed bearing plants. Learn about their characteristics and what makes these plants different from angiosperms.
Estrella Mountain Community College
Online Biology Book: Biological Diversity: Seed Plants
An in-depth reference explaining the role of seed plants in biological diversity. Photographs and labeled diagrams help learners with understanding.