WebJan 1, 1993 · The role of the male gametophyte in the early history of seed plants remains an underappreciated but critical part of the evolution of a suite of characters that ultimately came to define seed plants. Recent paleobotanical discoveries and studies of extant primitive seed plant male gametophytes, when coupled with phylogenetic analyses of … WebThis bioluminescence often occurs in bacteria that live in association with fish, and the light probably serves to attract fish or other large animals. [154] Bacteria often function as multicellular aggregates known as biofilms , exchanging a variety of molecular signals for intercell communication and engaging in coordinated multicellular behaviour.
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The evolutionary history of the seed plant male gametophyte
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