What Are Invertebrates? - Lesson Plan

The video explores biodiversity with a focus on invertebrates, which make up 95% of animal species. It explains the diversity of invertebrates, their evolutionary relationships, and their ecological importance. The video covers phylogenetic trees, body symmetry, and the distinction between protostomes and deuterostomes. It highlights major invertebrate groups like Lophotrochozoa and Ecdysozoa, emphasizing the vast number of insect species. The video concludes by discussing the ecological roles of invertebrates, such as nutrient cycling and pollination.

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