Chapter 22 Lecture- Plants

22–1 Introduction to Plants

[object Object],[object Object],[object Object]

What Is a Plant? ,[object Object],[object Object]

The Plant Life Cycle ,[object Object]

The Plant Life Cycle ,[object Object],[object Object],[object Object]

What Plants Need to Survive ,[object Object],[object Object],[object Object],[object Object],[object Object]

What Plants Need to Survive ,[object Object],[object Object],[object Object]

What Plants Need to Survive ,[object Object],[object Object]

What Plants Need to Survive ,[object Object],[object Object],[object Object],[object Object]

Early Plants ,[object Object],[object Object],[object Object],[object Object]

Early Plants ,[object Object],[object Object],[object Object]

Early Plants ,[object Object],[object Object]

Early Plants ,[object Object],[object Object],[object Object],[object Object],[object Object]

Overview of the Plant Kingdom ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

in the Plant Kingdom ,[object Object],Flowering plants Cone-bearing plants Ferns and their relatives Mosses and their relatives Flowers; Seeds enclosed in fruit Water-conducting (vascular) tissue Seeds Green algae ancestor

Overview of the Plant Kingdom ,[object Object]

[object Object],[object Object],Bryophytes

[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],Stalk Capsule Sporophyte Gametophyte Stemlike structure Leaflike structure Rhizoid

Groups of Bryophytes ,[object Object],[object Object]

Life Cycle of Bryophytes ,[object Object],[object Object]

Gametophyte (N) Mature sporophyte (2N) Gametophyte (N)

22–3 Seedless Vascular Plants

[object Object],[object Object],Evolution of Vascular Tissue

Evolution of Vascular Tissue ,[object Object],[object Object]

Evolution of Vascular Tissue ,[object Object]

Ferns and Their Relatives ,[object Object],[object Object],[object Object],[object Object]

Ferns and Their Relatives ,[object Object],[object Object]

Life Cycle of Ferns ,[object Object],[object Object],[object Object]

Ferns and Their Relatives ,[object Object],[object Object],[object Object]

Life Cycle of Ferns Ferns have vascular tissues, strong roots, underground stems called rhizomes, and leaves called fronds.

Life Cycle of Ferns ,[object Object]

Life Cycle of Ferns ,[object Object],[object Object]

[object Object],Sorus Sporangia

Life Cycle of Ferns Young gametophyte (N) Mature gametophyte (N) Egg Archegonium Sperm Antheridium Spores (N) Sporangium (2N) Frond Mature sporophyte (2N) Gametophyte (N) Sporophyte embryo (2N) Developing sporophyte (2N)

Life Cycle of Ferns ,[object Object],[object Object],[object Object],[object Object]

Life Cycle of Ferns Spores (N) Antheridium Sperm Archegonium Egg Mature gametophyte (N) Young gametophyte (N)

Frond Mature sporophyte (2N) Gametophyte (N) Sporophyte embryo (2N) Developing sporophyte (2N) Sporangium (2N)

Reproduction Free From Water ,[object Object],[object Object],[object Object],[object Object]

Reproduction Free From Water ,[object Object],[object Object],[object Object]

Evolution of Seed Plants ,[object Object],[object Object],[object Object],[object Object]

22–5 Angiosperms—Flowering Plants

[object Object],Flowers and Fruits

Flowers and Fruits ,[object Object]

Chapter 22 Lecture- Plants

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Chapter 22 Lecture- Plants