Which of the following are specific only to angiosperms? Check all that apply.

Angiosperms are distinguished by double fertilization: one sperm fertilizes the egg to form a zygote, while another fuses with the central cell to form endosperm. Thus, double fertilization and endosperm are specific to angiosperms. Mitosis, meiosis, and zygotes occur in many kinds of plants, and single fertilization is not the defining angiosperm feature.

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