GO IN DEPTH

July 05

damselfly Photo Credit: Clipart.com

Science Fact

Invertebrates

Invertebrates make up more than 95–99% of all known animals in the world and comprise 30 of the 35 known animal phyla.

United only by their lack of a backbone, this diverse group of animals includes worms, sponges, corals, mollusks, insects, and crustaceans, among others.

Science NetLinks has a broad array of resources on invertebrates. Here are several to get you started:


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