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Copyright  ©  The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Chapter 18 Evolution of Plants and Fungi
The Evolution of Plants Spans 500 Million Years 18-
18.1 Evidence suggests that plants evolved from green algae ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],18-
Figure 18.1 Close algal relatives of plants 18-
18.2 The evolution of plants is marked by four innovations ,[object Object],[object Object],[object Object],[object Object],18-
Figure 18.2A Representatives of the four major groups of plants 18-
Figure 18.2B Evolutionary history of plants 18-
18-
18.3 Plants have an alternation of generations life cycle ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],18-
Figure 18.3 Alternation of generations 18-
18.4 Sporophyte dominance was adaptive to a dry land environment ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],18-
Figure 18.4A Reduction in the size of the gametophyte as sporophyte becomes dominant 18-
Flowering plants are seed plants with a dominant sporophyte ,[object Object],[object Object],[object Object],[object Object],[object Object],18-
Figure 18.4B Protection of eggs and embryos 18-
Figure 18.4C Features of the leaves of vascular plants 18-
Plants Are Adapted to  the Land Environment 18-
18.5 Bryophytes are nonvascular plants in which the  gametophyte is dominant ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],18-
Figure 18.5A Representative bryophytes 18-
Figure 18.5B Moss life cycle,  Polytrichum  sp 18-
18.6 Ferns and their allies have a dominant vascular sporophyte ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],18-
Figure 18.6A Sporophyte of a club moss 18-
Figure 18.6B Diversity of fern fronds 18-
Figure 18.6C Fern life cycle 18-
18.7 Most gymnosperms bear cones on which the seeds are “naked” ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],18-
Figure 18.7A Gymnosperm diversity 18-
Figure 18.7B Pine life cycle 18-
APPLYING THE CONCEPTS—HOW BIOLOGY IMPACTS OUR LIVES 18.8 Carboniferous forests became the coal we use today ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],18-
Figure 18.8 Swamp forest of the Carboniferous period 18-
18.9 Angiosperms are the flowering plants ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],18-
Figure 18.9 Generalized flower 18-
18.10 The flowers of angiosperms produce “covered” seeds ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],18-
Figure 18.10 Flowering plant life cycle 18-
Figure 18.10 Flowering plant life cycle  (continued) 18-
APPLYING THE CONCEPTS—HOW BIOLOGY IMPACTS OUR LIVES 18.11 Flowering plants provide many services ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],18-
Figure 18.11A Some species of grain 18-
Figure 18.11B Uses of plants 18-
Fungi Have Their Own Evolutionary History 18-
18.12 Fungi differ from  plants and animals ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],18-
Figure 18.12A Fungal mycelia and hyphae 18-
18.13 Fungi have mutualistic relationships with  algae and plants ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],18-
18.14 Fungi occur in  three main groups ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],18-
Figure 18.14A Black bread mold,  Rhizopus stolonifer 18-
Figure 18.14B Sexual reproduction in sac fungi 18-
Figure 18.14C Asexual reproductive structures in sac fungi 18-
Figure 18.14D Sexual reproduction in club fungi involves a basidiocarp of which three types are shown 18-
APPLYING THE CONCEPTS—HOW BIOLOGY IMPACTS OUR LIVES 18.15 Fungi have economic  and medical importance ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],18-
Connecting the Concepts: Chapter 18 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],18-

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18 Lecture Ppt