How vertebrates are grouped
Animals are grouped by common characteristics. Animals that have a backbone are called vertebrates. Humans have a back-bone so we are a vertebrate also! There are five main animal groups in the vertebrate grouping. Mammals are animals that give birth to live babies, have hair on their bodies, are warm blooded, breathe air with lungs and nurse their babies with milk from their mother’s body. Humans are mammals. So are cows, dogs, cats and whales!
Vertebrates only make up about 2% of all the animals in the world. The other 98% are invertebrates. These are animals with-out a backbone. Worms, insects, clams, octopus, coral, spiders, and jellyfish are all examples of invertebrates.
Read more about how vertebrates are grouped in today’s Science Fun!
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