Chitin Is a Major Component of the

question 21

Multiple Choice

Chitin is a major component of the

• A) skeleton of mammals.
• B) exoskeleton of insects.
• C) body hairs of mammals.
• D) skeleton in birds.
• E) hydrostatic skeletons of earthworms.

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Definitions:

Basaltic Lava

A dark, fine-grained volcanic rock that forms from the quick cooling of basaltic lava, rich in iron and magnesium.

Viscous Lava

Lava that has a thick, sticky consistency due to a high silica content, flowing slowly.

Lava Fountain

A spectacular volcanic phenomenon where lava is forcefully ejected into the air from a vent or fissure, forming a fountain-like display.

Fluid Lava

describes lava with low viscosity that flows easily, typically associated with less explosive volcanic eruptions.