Pine pollen grains have air bladders (wings) whereas flowering plant pollen grains do not. The reason for this is; Flowering plant pollen grains are not multicellular like pine pollen grains Pines are wind pollinated The wings on pine pollen grains are needed to form the pollen tube The wings on pine pollen grains are needed to form the sperm nucleus

Biology: The Unity and Diversity of Life (MindTap Course List)
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Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
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Chapter29: Life Cycles Of Flowering Plants
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Problem 4SQ: In flowrers, the structures that produce male gametophytes are called ______; the structures that...
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Pine pollen grains have air bladders (wings) whereas flowering plant pollen grains do
not. The reason for this is;
Flowering plant pollen grains are not multicellular like pine pollen grains
Pines are wind pollinated
The wings on pine pollen grains are needed to form the pollen tube
The wings on pine pollen grains are needed to form the sperm nucleus
Transcribed Image Text:Pine pollen grains have air bladders (wings) whereas flowering plant pollen grains do not. The reason for this is; Flowering plant pollen grains are not multicellular like pine pollen grains Pines are wind pollinated The wings on pine pollen grains are needed to form the pollen tube The wings on pine pollen grains are needed to form the sperm nucleus
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