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worms

Introduction to Worms
Image: iStockphoto.com/Mik122

Introduction to Worms

About half of all animal groups are classified as worms. These invertebrates take many forms, come in many colors, and range in size from 1 mm to 50 meters long. They inhabit nearly every environment on Earth, pursuing many different lifestyles and feeding strategies.

Meet the planet’s diverse and fascinating worm groups.

Encyclopedia of Life
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Dirty Jobs: Worm Rancher

Dirty Jobs: Worm Rancher

Why herd cattle, when you can wrangle worms? Lassos are not necessary. These poop-eating organisms create a pesticide-free, nutrient-rich soil. More...

Video
Discovery
Earthworms: Nature’s Tiller?

Earthworms: Nature’s Tiller?

Earthworms work somewhat like little plows, digesting organic matter to help soil stay fertile. Now you can investigate the number of earthworms it takes to decompose surface material. More...

Activity
Science Buddies
PacSci-Doku: Deepest Life

PacSci-Doku: Deepest Life

What is the name of the deepest living land animal? Solve this Sudoku-inspired puzzle to get the "devilish" answer. More...

Game
Pacific Science Center
Flatworm Wranglers

Flatworm Wranglers

Meet some marine biologists who specialize in polyclad flatworms — giant worms that look like leaves but move along the ocean floor. More...

Profile
University of New Hampshire
Marine Worms: Photo Gallery

Marine Worms: Photo Gallery

Peanut worm? Spaghetti worm? No, these varieties aren’t on the menu. They inhabit the vast depths of the ocean. More...

Images
National Geographic
Monster Worm and Sea Star Frenzy

Monster Worm and Sea Star Frenzy

In this vivid, time-lapse video, sea stars, monster worms, and sea urchins swarm the Antarctic Ocean floor. A rare, tasty surprise has triggered their feeding frenzy. More...

Video
BBC
When We Were Worms

When We Were Worms

You are bilaterally symmetrical. Like many other animals, you have a right side and a left side that mirror each other. Do you have an ancient flatworm to thank? More...

Article
BBC
Worm Anatomy

Worm Anatomy

Join Herman the Worm for an in-depth tour of worm anatomy. There’s more to the slimy creature than you might think. After you’ve checked things out, take the quiz. More...

Interactive
University of Illinois, Urbana-Champaign
Worm Farm

Worm Farm

Kevin loves garbage! But he also wants to put an end to landfills. Meet this young scientist and see how he collects worm “pee” and shares his data about how worms decompose organic waste. More...

Profile
DragonflyTV/PBS

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