Areview of the cladogram shows a common ancestor for these four types of vertebrates. which statement best explains the genetics represented by the cladogram? a) there are no genetic similarities among the four distinct types. b) the four types of animals no longer have any genetic similarities. c) lizards and snakes are more genetically alike than lizards and birds. d) a common ancestor indicates that the four once had identical genotypes.

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both anaerobic and aerobic respiration use glucose (or other carbohydrates), proteins and lipids to produce atp and nadh. cell uses those energy molecules, obtained from food and   breaks them down during the chemical reactions of respiration. in anaerobic respiration, nadh is regenerated to nad+ by enzymes lactate dehydrogenase (lactate is produced, e.g. in muscle cells) or by alcohol dehydrogenase where ethanol is produced (alcohol fermentation), while in aerobic respiration, electrons from nadh are deposited in the mitochondria to regenerate nad+ (electron transport chain. anaerobic respiration produces 2 atp per molecule of glucose compared to aerobic respiration where about 38 atp molecules are produced.