A Photoautotrophic Unicellular Organism with a Shell Made of Silica

question 40

Multiple Choice

A photoautotrophic unicellular organism with a shell made of silica is most likely a(n) ________.

• A)apicomplexan
• B)foram
• C)dinoflagellate
• D)diatom

Apply various species concepts and understand their relevance to different organisms, including microbes, plants, and animals.

Analyze the genetic and ecological factors contributing to speciation, including the role of sexual selection and natural selection.

Discuss the implications of hybridizing species and the outcomes of such hybridization on speciation.

Grasp the concepts of genetic drift, mutation, and selection pressures in the development of reproductive isolation.

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Definitions:

Thread Pitch

The distance between threads on a screw or bolt, indicating the tightness or coarseness of the thread.

Bolt Size

The specification of a bolt, including diameter, length, and thread pattern, crucial for ensuring compatibility and strength in connections.

Diameter

A straight line passing from side to side through the center of a body or figure, especially a circle or sphere.

12-Point Socket

A tool attachment featuring a twelve-pointed, star-shaped opening designed to fit and turn fasteners with various head shapes.