metazoan evolution

Metazoan evolution refers to the development of multicellular animals from simple ancestors. Over hundreds of millions of years, single-celled organisms evolved into complex creatures with tissues, organs, and specialized functions. Key steps included the emergence of cell specialization, improved communication between cells, and the development of body symmetry and structures like bones and shells. This process resulted in the incredible diversity of animals we see today, from sponges and insects to mammals. Overall, metazoan evolution is the story of life becoming increasingly organized and adaptable to different environments.