This allowed water to infiltrate the seabed, bringing with it oxygen and other components that could support life. During this time, worms diversified and started burrowing into sediments. While worm-like body plans can be found in almost all groups of animals that are alive today, this wasn't always the case.Ībout 540 million years ago, during a period called the Cambrian Explosion, animal life burst onto the scene, and evolutionary change happened at a rapid pace. Worms are a key component of ecosystems, from the deep sea to soils on land.
Find out how burrowing worms have changed the path of evolution for millions of species, and explore the roles they play in ecosystems today.
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