Ch22 Intro to Plants

Chapter 22 Introduction to Plants

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

Are Plants Really Alive? ,[object Object],[object Object],[object Object],[object Object],[object Object]

What Does a Plant Need to Survive? ,[object Object],[object Object],[object Object],[object Object],[object Object]

Life Cycle of a Plant - General ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Haploid Diploid MEIOSIS Spores (N) Sporophyte Plant (2N) Gametophyte Plant (N) FERTILIZATION Sperm (N) Eggs (N)

4 Groups of Plants ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

A Cladogram of Plant Groups Flowering plants Cone-bearing plants Ferns and their relatives Mosses and their relatives Green algae ancestor Flowers; Seeds Enclosed in Fruit Seeds Water-Conducting (Vascular) Tissue

What Are Bryophytes ,[object Object],[object Object],[object Object],[object Object],[object Object]

The Life Cycle of a Moss Haploid (N) Diploid (2N) MEIOSIS FERTILIZATION Mature sporophyte (2N) Gametophyte (N) Gametophyte (N) Young sporophyte (2N) Zygote (2N) Sperm (N) Sperm (N) Egg (N) Spores (N) Capsule (sporangium) Protonema (young gametophyte) (N) Male gametophyte Female gametophyte Antheridia Archegonia

What Are Seedless Vascular Plants ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Life Cycle of a Fern Haploid gametophyte (N) Diploid sporophyte (2N) MEIOSIS FERTILIZATION Mature sporophyte (2N) Gametophyte (N) Frond Sperm Egg Spores (N) Antheridium Archegonium Developing sporophyte (2N) Sporophyte embryo (2N) Mature gametophyte (N) Young gametophyte (N) Sporangium (2N)

What Are Seed Plants ,[object Object],[object Object],[object Object],[object Object],[object Object]

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

All About Angiosperms ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Diversity of Angiosperms ,[object Object],[object Object],[object Object],[object Object],[object Object]

Comparison of Monocots and Dicots Monocots Dicots Seeds Leaves Flowers Stems Roots Single cotyledon Parallel veins Floral parts often in multiples of 3 Vascular bundles scattered throughout stem Fibrous roots Two cotyledons Branched veins Floral parts often in multiples of 4 or 5 Vascular bundles arranged in a ring Taproot

Plant Life Spans are categorized as that complete their life cycle in that complete their life cycle in that complete their life cycle in Plants Annuals Biennials Perennials 1 growing season 2 years More than 2 years

Ch22 Intro to Plants

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