In Sponges, Spicules Are ____

question 10

Multiple Choice

In sponges, spicules are ____.

• A) fibrous skeletal proteins
• B) specialized digestive cells
• C) complicated pore openings and passageways
• D) needlelike skeletal structures made up of silica or calcium carbonate
• E) feeding cells with a flagellum surrounded by a collar

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Definitions:

Market Segmentation

The process of dividing a broad consumer or business market, normally consisting of existing and potential customers, into sub-groups of consumers based on some type of shared characteristics.

Urban Cities

Densely populated areas characterized by high human settlement and infrastructure indicative of a significant economic, political, and cultural center.

Market Segmentation

The process of dividing a target market into smaller, more defined categories.

Shared Characteristics

Traits or features that are common among a particular group of people, items, or phenomena.