What percentage of animals are invertebrates?
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To group all invertebrates together is an immodest proposal, since the definition of "invertebrate" is any animal without a spinal column — no less than 97 percent of all animal species on Earth. read more
Source: biologicaldiversity.org
More than 90 percent of all living animal species are invertebrates. Worldwide in distribution, they include animals as diverse as sea stars, sea urchins, earthworms, sponges, jellyfish, lobsters, crabs, insects, spiders, snails, clams, and squid. read more
Source: britannica.com
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Source: australianmuseum.net.au
Further Research
10 Interesting Facts About Invertebrates
www.thoughtco.com
Center for Biological Diversity
www.biologicaldiversity.org
Invertebrates — Animal Kingdom
animalkingdom.net
