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Definitions from the Web

Definition:

The penultimateshell refers to the second-to-last shell of a mollusk or an animal with a soft, external casing.

Part of Speech:

Noun

Senses:

Sense 1:

A shell or casing found on the second-to-last segment of a mollusk or an animal with an external casing.

Example sentence: The penultimateshell of the hermit crab is crucial for its protection.

Usage:

1. Marine biology:

- In marine biology, researchers study the formation and characteristics of the penultimateshell.

- To truly understand the lifecycle of mollusks, it is important to examine their penultimateshell.

Example sentence: The marine biologist carefully examined the penultimateshell of the seashell to determine its species.

2. Animal anatomy:

- The penultimateshell often plays a vital role in the protection and defense of certain animals.

- Learning about the structure and composition of the penultimateshell helps in understanding the anatomy of mollusks.

Example sentence: The turtle's penultimateshell provided a sturdy shield against potential predators.

Possible Related Products:

• Mollusk Identification Guide on Amazon
• Marine Biology Textbook on Amazon
• Animal Anatomy Illustrated Book on Amazon