Ferns first appeared in the Devonian Period. Look at the inside of the back cover. How long ago was the Devonian Period? Unlike all the groups mentioned so far in this chapter, most of this group is still extant, not extinct. About how many species of modern (i.e., not extinct) ferns are there?

Ferns first appeared in the Devonian Period. Look at the inside of the back cover. How long ago was the Devonian Period? Unlike all the groups mentioned so far in this chapter, most of this group is still extant, not extinct. About how many species of modern (i.e., not extinct) ferns are there?

Biology Today and Tomorrow without Physiology (MindTap Course List)

5th Edition

ISBN:9781305117396

Author:Cecie Starr, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Christine Evers, Lisa Starr

Chapter14: Plants And Fungi

Section: Chapter Questions

Problem 4SQ

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Marine Evolution

Marine habitat is less explored, and hence, its biological diversity is far less known. The marine habitats are not constant due to their shifting nature, while the terrestrial habitats are more stable. Marine biology is the science that deals with the study of diverse marine species, their interactions, and behavioral characteristics.

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