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
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)
15th Edition
ISBN:9781337408332
Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Chapter29: Life Cycles Of Flowering Plants
Section: Chapter Questions
Problem 4SQ: In flowrers, the structures that produce male gametophytes are called ______; the structures that...
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