The Following Questions Refer to the Description and Table 28

question 49

Multiple Choice

The following questions refer to the description and Table 28.1 below.
Diatoms are encased in Petri-plate-like cases (valves) made of translucent hydrated silica whose thickness can be varied. The material used to store excess calories can also be varied. At certain times, diatoms store excess calories in the form of the liquid polysaccharide, laminarin, and at other times, as oil. Below are data concerning the density (specific gravity) of various components of diatoms, and of their environment.
Table 28.1: Specific Gravities of Materials Relevant to Diatoms
$$\begin{array} { l l } \text { Material } & \text { Specific Gravity } ( \mathrm { kg } / / \mathrm { m }^{3} ) \\\text { Pure water } & 1000 \\\text { Seawater } & 1026 \\\text { Hydrated silica } & 2250 \\\text { Liquid laminarin } & 1500 \\\text { Diatom oil } & 910\end{array}$$
-If the Archaeplastidae are eventually designated a kingdom, and if the land plants are excluded from this kingdom, then what will be True of this new kingdom?

• A)It will be monophyletic.
• B)It will more accurately depict evolutionary relationships than does the current taxonomy.
• C)It will be paraphyletic.
• D)It will be a True clade.
• E)It will be polyphyletic.

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Definitions:

Durham Rule

A legal standard used to determine criminal liability on the basis of the defendant's mental state at the time of the offense.

Moral Treatment

An approach to mental health care in the 19th century that emphasized humane treatment, moral discipline, and the therapeutic value of work and leisure activities.

Philippe Pinel

A French physician renowned for his contributions to the humane treatment of the mentally ill in the late 18th and early 19th centuries.

Mental Hygiene

The practice of maintaining mental health through the prevention and treatment of mental disorders, as well as by promoting healthy lifestyles and environments.