A Unique Species of Snail Has Been Discovered in the Negev

question 15

Multiple Choice

A unique species of snail has been discovered in the Negev Desert.At night,these snails use a toothlike rasping organ in their head to scrape up porous limestone; they then digest the algae that lived in the rock pores.This scraping organ is the

• A)labial palp.
• B)radula.
• C)mantle.
• D)tentacle.
• E)crop.

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Definitions:

Eusociality

A high level of organization in social animals characterized by cooperative brood care, division of labor, and overlapping generations within a colony.

Social Behavior

Interactions among individuals of the same species that influence the behavior of one another, often vital for survival and reproduction.

Fitness Benefits

Advantages conferred to individuals that contribute to their survival and reproductive success in a given environment.

Adaptation

The process by which a species becomes better suited to its environment through genetic changes over generations.