Introduction to Zoology: What are Animals?

The video introduces zoology, the study of animals, and outlines the prerequisites needed for its study, such as biochemistry and biology. It defines what constitutes an animal by listing six criteria: being eukaryotic, heterotrophic, capable of aerobic respiration, engaging in sexual reproduction, being motile, and developing from a blastula. The video also discusses exceptions to these criteria and emphasizes the importance of evolutionary history in defining animals.

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