Classification of animals with or without a backbone quiz

Classification of animals with or without a backbone quiz. Online quiz for children in 2nd, 3rd, 4th, 5th and 6th grades. Vertebrates and invertebrates questions and answers, science trivia questions and answers.

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We make our science lessons appealing to kids by blending activities with interesting science puzzles. Track and find answers.

We cover topics on: weather, animals, ecosystems, life cycles, laboratory readings, fossils, plants, adaptation, force, mixtures, classification etc.

We help parents and teachers supplement their kid's science course. Our resources are therefore free and can be shared online.

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Life cycle of bird

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