
Pteridófitas
Flashcard
•
Biology
•
1st Grade
•
Practice Problem
•
Hard
FREE Resource
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5 questions
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1.
FLASHCARD QUESTION
Front
O que são pteridófitas?
Back
Pteridófitas são plantas vasculares sem sementes que possuem xilema e floema, mas não possuem sementes. Exemplos incluem samambaias e cavalinhas.
2.
FLASHCARD QUESTION
Front
Quais estruturas verdadeiras são observadas nas pteridófitas?
Back
As pteridófitas possuem raízes, caule e folhas verdadeiras.
3.
FLASHCARD QUESTION
Front
Por que as pteridófitas precisam de água para a fecundação?
Back
As pteridófitas precisam de água para a fecundação porque os gametas masculinos são flagelados e precisam nadar até o gametófito feminino para fecundar a oosfera.
4.
FLASHCARD QUESTION
Front
Onde as pteridófitas são geralmente encontradas?
Back
As pteridófitas são geralmente encontradas em locais úmidos, mas também podem ser observadas em uma variedade de habitats, incluindo ambientes florestais e áreas secas.
5.
FLASHCARD QUESTION
Front
O que não é observado nas pteridófitas?
Back
Nas pteridófitas, não se observa a presença de grão de pólen, sementes, flores ou frutos.
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