38. Endosperm is
(A) sperm after it has entered the archegonium.
(B) nutritive tissue produced within antheridia.
(C) sperm cells enclosed within pollen grains.
(D) tissue stored in seeds that provides nutrition for embryos.
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統計: A(0), B(0), C(0), D(1), E(0) #4041859
統計: A(0), B(0), C(0), D(1), E(0) #4041859