Ft8 003 (Fatores Abioticos)

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     Observa com atenção o gráfico da figura 2 que diz respeito ao desenvolvimento de seres de duas

    espécies diferentes (A e B) em função da temperatura!

    2!"! #ndica a temperatura

    $ptima para a espécie A!

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    2!2! &efere as temperaturasm'nima e máima em que a

    espécie B pode sobreviver!

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      igura 2

    *plica o que acontece aos seres vivos da espécie A se forem colocados a uma temperatura de

    + ,-!

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    2!.! /endo em conta a resist0ncia 1s variaçes de temperatura de cada espécie classifica a espécie B!

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    2!+! 3ustifica a resposta da questão anterior!

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    4! A figura 4 representa fotografias de duas raposas!

    4!"! #ndica o principal factor que influencia as

    caracter'sticas do corpo dos dois seres vivos!

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    4!2! #ndica duas caracter'sticas da raposa do esquema B

    que l5e permitem reduzir a perda de calor corporal! %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 

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      igura 4 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 

    4!4! 6ual o tipo de clima onde se pode encontrar a raposa do esquema A!

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    .! 70 atentamente o seguinte teto8 9Os animais que se podem deslocar com facilidade como por

    eemplo a cegon5a negra e os flamingos em determinada época do ano partem para outras regies

    onde a temperatura l5es é mais favorável:!

    .!"! 6ual a adaptação dos seres vivos descritos no teto para resistirem 1 estação desfavorável!

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    .!2! #ndica outras duas adaptaçes dos animais para resistirem 1 estação desfavorável!

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    +! Ao longo do ano certas plantas sofrem alteraçes no seu aspecto como mostra a figura .!

    +!"! 6ual o factor abi$tico que influ0ncia o aspecto das

     plantas representadas! %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 

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    +!2! #dentifica as adaptaçes das plantas representadas na

    figura para resistirem durante a estação desfavorável!

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    +!4! ;á um eemplo de uma árvore que utilize a

    adaptação da árvore representada na figura!

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      igura .

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    70 atentamente as questes antes de as responderes!

    "! Observa atentamente a figura " que representa seres vivos com diferentes necessidades de água!

    A> ?ebras

    B> ;iversas espécies de cactos

    -> -orais e peies

    ;> &ela sobre uma fol5a

    5@mida

    "!"! -lassifica os organismos

     presentes nas imagens A B

    - e ; quanto 1s suas necessidades

    em água!

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    A> %%%%%%%%%%%%%%%%%%%%%%%%% 

    B> %%%%%%%%%%%%%%%%%%%%%%%%% 

    -> %%%%%%%%%%%%%%%%%%%%%%%%% 

    ;> %%%%%%%%%%%%%%%%%%%%%%%%% 

    igura "

    "!2! #ndica duas adaptaçes dos organismos da imagem B que l5e permitem sobreviver face 1 escassez de água!

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    "!4! #ndica mais um eemplo de organismos para cada um dos grupos!

    A> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% B> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 

    -> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% ;> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 

    "!.! -omenta a seguinte frase8 9Os 5ábitos nocturnos são uma adaptação de alguns animais 1 falta de água!:

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    2! -ompleta as frases seguintes8 As interacçes que se estabelecem entre os seres vivos são designadas por 

    factores %%%%%%%%%%%%%%%%%%%!

    70 atentamente as questes antes de as responderes!

    "! Observa atentamente a figura " que representa seres vivos com diferentes necessidades de água!

    A> ?ebrasB> ;iversas espécies de cactos

    igura "

    "!"! -lassifica os organismos presentes nas imagens A e B quanto 1s suas necessidades em água!

    A> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%B> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 

    "!2! 3ustifica a classificação que fizeste na al'nea anterior! %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 

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    "!4! #ndica duas adaptaçes dos animais 1 escassez de água!

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    "!.! -omenta a seguinte frase8 9O caule carnudo é uma adaptação de algumas plantas 1 falta de água!:

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    70 atentamente as questes antes de as responderes!

    "! Observa atentamente a

    figura " que representa seres

    vivos com diferentes

    necessidades de água!

    "!"! -lassifica os

    organismos presentes

    nas imagens A B - e ;

    quanto 1s suas

    necessidades em água!

    A>

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    B> %%%%%%%%%%%%%%%%%%%%% 

    -> %%%%%%%%%%%%%%%%%%%%% 

    ;> %%%%%%%%%%%%%%%%%%%%% 

    igura "

    "!2! 3ustifica a classificação que fizeste em B e ; da al'nea anterior!

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    "!4! #ndica duas adaptaçes dos organismos da imagem A que l5e permitem sobreviver face 1 escassez de água!

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    "!.! -omenta a seguinte frase8 9Os 5ábitos nocturnos são uma adaptação de alguns animais 1 falta de água:

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    4!"! #ndica o valor da temperatura $ptima para a actividade de cada uma das

    espécies A e B!

    A> %%%%%%%% B> %%%%%%%%% 

    4!2! 6uais são os valores de temperatura letal para a espécie A8

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    4!4! 6ual o intervalo de tolerncia para a actividade da espécie B!

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    4!.! -lassifica cada uma das espécies A e B quanto 1 tolerncia das

      variaçes de temperatura!

    A> %%%%%%%%%%%%%%%%%%%%%%%%%%%%% B> %%%%%%%%%%%%%%%%%%%%%%%%%% 

      igura 2

    4!+! 3ustifica a resposta da questão anterior!

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    .! Os seres vivos animais não t0m a mesma temperatura corporal!

    .!"! az a distinção entre animais de temperatura constante e animais de temperatura variável!

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    .!2! ;á dois eemplos de8.!2!"! animais de temperatura constante!

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    .!2!2! animais de temperatura variável!

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    +! Observa a figura 4 que representa adaptaçes da raposa ao meio em que 5abita e responde 1s questes!

    +!"! #ndica qual das raposas (A B ou -) viverá

    num clima quente!

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      igura 4

    +!2! &elaciona duas caracter'sticas morfol$gicas das raposas com as condiçes de temperatura em que vivem!

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    t0m de resistir das mais diversas formas

     para poderem sobreviver!

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     %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 

     plantas A B e - para resistirem

    durante a estação desfavorável!

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      igura . %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 

    ! -oloca 1 frente de cada frase o termo correspondente8

    A> ;eslocação de aves para pa'ses mais quentes! %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 

    B> ;iminuição da actividade corporal com temperaturas elevadas! %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 

    -> C@mero de 5oras de luz durante um dia! %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 

    ;> ;iminuição da actividade corporal devido a baias temperaturas! %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 

    *> Dovimentos de orientação das plantas em direcção 1 luz! %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 

    E! Os desertos são as zonas mais áridas do mundo com uma etrema escassez ou aus0ncia de água!

    E!"! #ndica tr0s adaptaçes das plantas do deserto para resistirem 1 escassez ou aus0ncia de água!

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    E!2! #ndica duas adaptaçes do camelo 1 escassez de água no deserto!

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