Encyclopedia of Earth
Encyclopedia of Earth: Species: Gymnosperm
Article explaining what a gymnosperm is, and its origin in the Carboniferous Period. It covers taxonomy, distribution, and types of gymnosperms and how they reproduce. (Published: March 24, 2010)
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.
Ohio State University
Ohio State Univ.: Gymnosperms (Conifers & Relatives)
A review of conifer biology. Illustrations are great and help clarify the text, which can get a bit advanced for a general audience. A great resource for exam review.
Sophia Learning
Sophia: Plant Kingdom: Gymnosperms: Lesson 2
This lesson will explain the characteristics and function of gymnosperm plants. It is 2 of 3 in the series titled "Plant Kingdom: Gymnosperms."
Sophia Learning
Sophia: Plant Kingdom: Gymnosperms: Lesson 3
This lesson will explain the characteristics and function of gymnosperm plants. It is 3 of 3 in the series titled "Plant Kingdom: Gymnosperms."
Sophia Learning
Sophia: Plant Kingdom: Gymnosperms: Lesson 1
This lesson will explain the characteristics and function of gymnosperm plants. It is 1 of 3 in the series titled "Plant Kingdom: Gymnosperms."