Answer:
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Explanation:
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Synergids stimulates the pollen tube to grow.
Answer:
Nitrogen-fixing plants, such as lupines (Lupinus sp.), are critical to primary succession, as these species enrich the otherwise intolerable soil and allow other species to subsequently establish [2].
Explanation:
They don't have a nucleus like eukaryotic cells.
Answer:
cytoplasm, nucleus, cell membrane