Lab 9 - Gymnosperms and Angiosperms. When mosses and liverworts first evolved, they dominated the terrestrial environment. But they were soon challenged by the more advanced tracheophytes. The ferns and "fern allies" formed the great planetary forests of the late Paleozoic. By the end of the Paleozoic, a new group of plants was challenging the million-year domination of the ferns and fern allies.
Get a better grade with hundreds of hours of expert tutoring videos for your textbook. Password must contain at least one uppercase letter, a number and a special character. Already have an account? Log In. What scientific concept do you need to know in order to solve this problem?
Seed plants. Phylum Coniferophyta the conifers. Phylum Cycadophyta the cycads.
Find Flashcards. Brainscape's Knowledge Genome TM. Browse over 1 million classes created by top students, professors, publishers, and experts. All of the following are common to both charophytes and land plants except A sporopollenin. B lignin.