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Table of Contents
Arthropods: A success story
Almost any way you look at them, arthropods are successful:
They have been around for more than 500 million years and are still evolving.
They live on Earth in overwhelming numbers.
They have come in all shapes and sizes.
They have evolved to fill a variety of ecological niches from tiny internal parasite to giant bird-eating predator.
But what is it about arthropods that has made them so successful? Let's begin our investigation by reviewing what an arthropod is.
What is an arthropod?
Read how others have
recognized the Understanding Evolution website