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grigory [225]
3 years ago
6

1) Na abertura das Olimpíadas de 2016, realizada no Maracanã, cada um dos atletas recebeu uma semente de uma árvore nativa do Br

asil. Os esportistas, logo depois que desfilaram pelas delegações de seus países, colocaram essas sementes em um recipiente apropriado. Essas 11 mil sementes serão plantadas no Parque Radical de Deodoro. A alternativa que melhor conceitua semente é a seguinte: * a) óvulo maduro fecundado de plantas pteridófitas e briófitas. b) estrutura que se desenvolveu do ovário e contém o embrião e reserva de alimento. c) óvulo das plantas gimnosperma que ainda não possui um embrião. d) óvulo maduro fecundado de plantas gimnospermas e pteridófitas.
Biology
1 answer:
s344n2d4d5 [400]3 years ago
6 0

Answer:

b) estrutura que se desenvolveu do ovário e contém o embrião e reserva de alimento.

Explanation:

As sementes são formadas quando o pólen do estame se funde com os óvulos do carpelo. Existem duas porções de semente i. e. uma é a parte viva conhecida como embrião, enquanto a outra é a parte não viva conhecida como endosperma. O embrião é a planta bebê, enquanto o endosperma é o alimento armazenado de que a planta bebê necessita para seu crescimento e desenvolvimento no processo de germinação.re

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