The Line of Demarcation Between the Firmer and Pinker Attached

question 19

Multiple Choice

The line of demarcation between the firmer and pinker attached gingiva and the movable and redder alveolar mucosa is the

• A)interdental gingiva.
• B)gingival sulcus.
• C)mucogingival junction.
• D)vestibular fornix.

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Definitions:

Spiracles

Openings on the surface of some animals, such as insects, spiders, and some fish, which lead to respiratory systems, allowing air to enter the body.

Annelids

A phylum of invertebrate animals characterized by their segmented bodies and include earthworms, leeches, and marine worms.

Diving Marine Mammals

Marine animals, such as whales, seals, and dolphins, adapted to diving deep under water to feed, communicate, or avoid predators.

Adaptations

The method through which a species adapts to its surroundings; this occurs as natural selection works on variation that can be passed down through generations.