Reino Vegetal Briófitas, Pteridófitas, Gimnospermas e Angiospermas

Reino VegetalBriófitas, Pteridófitas, Gimnospermas e

Angiospermas

Prof. Vanessa

Briófitas

Organização corporal

Hepática

-Avasculares

-Filóide, caulóide e rizóide

-Gametófito duradouro e esporófito temporário

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Briófitas

Esporófilo com soros Samambaia Avenca

Pteridófitas:

-Vasculares

-Sem sementes

- Gametófito temporário e esporófito duradouro

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http://images.google.com.br/imgres?imgurl=http://80.32.209.78:8090/web/ciencias/botanica/web/imagenes/soros.gif&imgrefurl=http://80.32.209.78:8090/web/ciencias/botanica/web/taxonomia.htm&h=400&w=400&sz=159&hl=pt-BR&start=9&tbnid=lh7SAtRAImuxNM:&tbnh=124&tbnw=124&prev=/images%3Fq%3Dpterid%25C3%25B3fitas:%2Bsoros%26gbv%3D2%26svnum%3D10%26hl%3Dpt-BR%26safe%3Doff%26sa%3DG

Pteridófitas

Gimnospermas

Araucária

Pinus

CicaSequóia

Gincobiloba

Estróbilo

-Vasculares

-Com sementes nuas

-Polinização

-Grão-de-pólen: gameta masculino

-Formação de tubo polínico

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Gimnospermas

Angiospermas

CoqueiroFlor de QuaresmeiraIpê amarelo

Mangueira

Laranjeira

-Vasculares

-Com sementes e frutos

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Ang

iosp

erm

as

FrutoDesenvolvimento do ovário por ação de hormônios

-Pseudofruto

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Reino Vegetal Briófitas, Pteridófitas, Gimnospermas e Angiospermas

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