Scientists found fossils of plants more than 420 million years old—but plants existed for up to 100 million years prior to these fossils. Learn about the importance of plants to the entire planet. Viewing a presentation helps scholars...

This is a wonderful PowerPoint! It gives excellent details of different types of ferns and their characteristics which help them to survive and produce spores in many varied habitats.

More than 200,000 species of protists exist, living on land and in water around the planet. Scholars view the diversity of protists in an interesting presentation. It divides protists into three groups: animal-like protists, plant-like...

One of the reasons plants found success on land relates to seed development. Scholars learn about many different forms of seeds and how they changed over time. It describes the structure and function of many different types of seeds in...