What Precisely Is a Walnut Tree?
Juglans, also known as walnut, is a genus of roughly 20 species of deciduous trees that are indigenous to North and South America, southern Europe, Asia, and the West...
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What Is Abalone and What Is It Used For?
Abalone is a type of mollusk belonging to the class Gastropoda. A univalve, meaning that it has one shell which is a slightly flatted whorl, resembling an ear, with a...
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What Are Crustaceans?
What Are Crustaceans? The word “crustacean” comes from the Latin crusta meaning a hard covering shell or crust. Apart from crabs, lobsters and shrimps, there are...
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Why Are Bird’s Eggs Rounded?
Why Are Bird’s Eggs Rounded? The roundness of an egg allows pressures to be applied from the outside which would break it if applied from the inside. Thus a helpless...
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When Does a Hermit Crab Change Its Shell?
When Does a Hermit Crab Change Its Shell? A hermit crab changes its shell when it has grown large enough to need a bigger home. This type of crab has a soft abdomen or...
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