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The vascular system of vascular plants originated from a single evolutionary event.Sometime during the Paleozoic era (before 440 mya), the sporophyte generation of a now long-extinct land plant produced a new cell type, the _______.
James-Lange Theory
A theory suggesting that emotions occur as a result of physiological reactions to events.
Two-factor Theory
A psychological theory that posits that emotions are based on two factors: physiological arousal and cognitive labeling of that arousal.
Schachter-Singer Theory
A theory of emotion that states emotions are determined by physiological arousal and its interpretation, based on environmental cues.
Cannon-Bard Theory
A theory of emotion that proposes emotions and physiological responses occur simultaneously and independently.
Q25: Refer to the figure. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5650/.jpg" alt="Refer
Q42: The sporophytes of the mosses and vascular
Q169: A eukaryotic cell can exchange materials with
Q177: The genetic makeup of many viruses supports
Q177: In land plants (and some algae), the
Q213: Refer to the figure. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5650/.jpg" alt="Refer
Q227: Which term refers to a eukaryotic organism
Q233: Also known as seed leaves, _ can
Q244: Specialized reproductive organs on the sporophyte are
Q248: Which of the following represents the correct