[Solved] Which of the following statements about the conformations of acyclic alkanes is true? A)A staggered conformation with two larger groups 180° from each other is called gauche. B)Staggered conformations are at energy maxima and eclipsed conformations are energy minima. C)A staggered conformation with two larger groups 60° from each other is called anti. D)Gauche conformations are generally higher in energy than anti conformations. Digestive Tube: A continuous hollow tube extending from the mouth to the anus, through which food is processed and nutrients absorbed. Plankton: Free-floating, mainly microscopic aquatic organisms found in the upper layers of the water; consisting of phytoplankton and zooplankton. Compare with nekton. Microscopic Organisms: Organisms too small to be seen with the naked eye, often including bacteria, archaea, some fungi, and protists. Anus: The distal end and outlet of the digestive tract.