What is the main difference between vertebrates and invertebrates?

Vertebrates have a backbone or spine, while invertebrates do not.

Describe two key differences between birds and reptiles.

Birds are warm-blooded and have feathers, while reptiles are cold-blooded and have dry, scaly skin.

Name: Classifying Animal Phyla
Author: Insta~Lesson

7th Grade · Science · 30 min

I can classify animals into major phyla based on their characteristics.

1
Scientists classify animals into different groups based on shared characteristics to better understand them.
2
Vertebrates are animals that have spines or backbones, while invertebrates do not.
3
The five classes of vertebrates are fish, amphibians, reptiles, birds, and mammals.

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