
Flashcards sobre Gimnospermas
Flashcard
•
Science
•
7th Grade
•
Practice Problem
•
Easy
Used 4+ times
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10 questions
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1.
FLASHCARD QUESTION
Front
O que significa Gimnosperma?
Back
Gimno - nua
sperma - semente
Sementes nuas. Sem a presença de fruto.
2.
FLASHCARD QUESTION
Front
Característica principal das gimnospermas.
Back
Produzirem sementes e não produzirem frutos.
3.
FLASHCARD QUESTION
Front
Características evolutivas das gimnospermas em relação às pteridófitas.
Back
Produzirem grão de pólen e semente.
4.
FLASHCARD QUESTION
Front
Função do grão de pólen.
Back
Transportar o gameta masculino até o gameta feminino. A polinização é realizada pelo vento.
5.
FLASHCARD QUESTION
Front
Gimnospermas possuem flores?
Back
Não, seus aparelhos reprodutores são chamados de estróbilos, cones ou pinhas. Não podem ser chamados de flores por não possuírem estruturas como pétalas e estames.
6.
FLASHCARD QUESTION
Front
O Pinhão é um fruto?
Back
Não. O Pinhão é a semente da Araucária (Pinheiro do Paraná).
7.
FLASHCARD QUESTION
Front
Por que é importante proteger a araucária?
Back
Está ameaçada de extinção
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