A gymnosperm seed consists of a megasporangium and food supply. sporophyte embryo and protective seed coat. sporophyte embryo, food supply, protective seed coat. pollen grain and micropyle. megasporangium and integument.
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The ______ are parts of a mature seed. a. stamen and carpel b. embryo, food reserves, and seed coat c. stigma, style, and ovary d. male and female gametophytes
A fertilized egg becomes an embryo and the joining of polar nuclei and sperm becomes the triploid (3n) endosperm. The ovule wall becomes the seed coat. A seed contains a sporophyte embryo, stored food, and a seed coat. In angiosperms, seeds are enclosed by fruit.
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Angiosperms and gymnosperms share which of the following reproductive characteristic(s)? a. pollination b. ovules protected within an ovary c. megaspores and microspores produced by meiosis d. seeds e. a dominant sporophyte generation
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