the best science on the web about
invertebrates

Invertebrates: One of Two Major Animal Groupings
Image: iStockphoto.com/aurigadesign

Invertebrates: One of Two Major Animal Groupings

From sponges to spiders to jellyfish and octopuses, invertebrates make up most of the species in the animal kingdom. They have no backbones, but they’re far from similar.

Investigate their specialized traits that are almost too numerous to count.

Biology4Kids.com
Loading...
The Animal Kingdom: Vertebrates and Invertebrates

The Animal Kingdom: Vertebrates and Invertebrates

Animals are grouped by many criteria, such as those with backbones (vertebrates) and those without (invertebrates). Start here to explore more about them. More...

Article
Kidport
Animal Index: Invertebrates

Animal Index: Invertebrates

More than 98% of the millions of animal species on Earth are invertebrates. Witness the incredible variety of spineless organisms. More...

Article
Kidport
World’s Deadliest: Shrimp Packs a Punch

World’s Deadliest: Shrimp Packs a Punch

It has no physical backbone, but the mantis shrimp uses its powerful punch to capture its prey. It’s all about survival — or not — for these two invertebrates. More...

Video
National Geographic
All Insects Are Invertebrates!

All Insects Are Invertebrates!

Insects make up more than 3/4 of all animal species. Learn how they differ from other invertebrates and where they fit in the animal kingdom. More...

Interactive
CSIRO
Invertebrates

Invertebrates

Meet some of the many invertebrates on our planet, including dust mites, and pick up some fun facts that distinguish them from other animals. More...

Article
Ducksters
Invertebrates at the Zoo

Invertebrates at the Zoo

More than 100 species of spineless creatures live at this zoo. You can discover fascinating facts about the dazzling diversity of invertebrates even if you can't visit. More...

Interactive
St. Louis Zoo
Invertebrates Features

Invertebrates Features

Corals, lobsters, sea cucumbers, and the deadly Portuguese man-of-war represent the immense variety of invertebrates. Take a close look at them. More...

Images
National Geographic
Invertebrates Quiz

Invertebrates Quiz

Just 5 questions to test what you know about invertebrates. No worries if you get an answer wrong: an explanation appears! More...

Interactive
Sheppard Software
Invertebrates: Marine

Invertebrates: Marine

Get to know marine invertebrates from the jellyfish to the giant octopus, which are endangered by pollution, climate change, and invading species. More...

Images
ARKive
Invertebrates: Terrestrial and Freshwater

Invertebrates: Terrestrial and Freshwater

Gaze at the diversity of some invertebrates that are threatened by habitat loss, pollution, and nonnative species in their ecosystems. More...

Images
ARKive
Martin Chalfie

Martin Chalfie

Working with worms, the biochemist Martin Chalfie received a Nobel Prize. Learn about his life and what led to his scientific discovery. More...

Profile
The Nobel Foundation
Using Daphnia to Monitor Water Toxicity

Using Daphnia to Monitor Water Toxicity

Looking for a science project that checks for pollutants in water? Try this one that uses a common water flea to check water found in parking lots (which can seep into the ground). More...

Activity
Science Buddies

Latest Comments

You Also Might Like

  1. biological classification

    biological classification

  2. food chains

    food chains

  3. wolves

    wolves

  4. pangolins

    pangolins

  5. birds

    birds