The deepest water of an ocean in deep-sea trenches and canyons is referred to as the hadalpelagic zone
Indicate whether the statement is true or false
TRUE
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Examine this diagram. Note the structure of branches connecting groups of organisms. Called a phylogenetic tree, the branches propose relationships among organisms to each other, related to common ancestors. Although the proposed relationships can be described in sentences, the diagram summarizes them visually. Which of the following statements is true based on this diagram?
A. All the organisms in this phylogenetic tree are equally related to one another.
B. The organisms in domain Archaea are more closely related to the organisms in domain Eukarya than those in domain Bacteria.
C. The organisms in kingdom Protista are part of domain Bacteria.
D. All of the answer choices are correct.
E. The organisms in domain Bacteria are more closely related to the organisms in domain Eukarya than those in domain Archaea.
In an emergency trauma room, a doctor accidentally gives a patient a large transfusion of distilled water directly into one of his veins instead of blood. Predict what might happen if distilled water was given to the patient instead of blood.
A. have no unfavorable effect as long as the water was sterile B. have serious, perhaps fatal effects because there would be too much fluid for the heart to pump. C. have serious, perhaps fatal effects because the red blood cells would tend to shrivel D. have serious, perhaps fatal effects because the red blood cells would tend to burst
The first surgical anticeptic to be used was
A. iodine B. ethanol C. phenol D. none of these choices
A _____ is a single species/type of bacterium being cultured (grown) in media (a plate, slant, or broth).
A) Subculture B) Streak plate C) Spore D) Pure culture E) Mixed culture