Rickettsia species are unable to use glucose as a carbon and energy source, but can use glutamate or succinate.
Answer the following statement true (T) or false (F)
True
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(Please choose from the lettered responses below.) Phylogenetic trees help us understand: 1. the genetic relationships among a species. 2. the evolutionary relationships among a species. 3. the relationships of symmetry among related species. 4. the level
A. 1 and 2 B. 2 and 3 C. 2 and 4 D. 3 and 4
Arrange the following from the ecosystem with the smallest average NPP to the ecosystems with the
largest NPP. 1) Lake 2) Savanna 3) Estuary 4) Tropical rain forest 5) Open ocean a. 1, 2, 3, 4, 5 b. 2, 1, 4, 3, 5 c. 2, 1, 5, 3, 4 d. 5, 2, 1, 3, 4 e. 5, 1, 2, 3, 4
From the pharynx, a bolus moves next into the:a
mouth. b. small intestine. c. large intestine. d. stomach. e. esophagus.
Contractions of the stomach muscles ____.
A. decrease following a heavy meal B. mix gastric fluid with food to form chyme C. begin the digestion of protein D. begin the digestion of lipids E. close the pyloric sphincter