21. Hypotheses About the Metazoa – 1

The photograph above was taken by DavidLiittschwager for a project with National Geographic. Years ago it was also published in the Guardian newspaper, where I saw it while staying for some months in Manchester, England, far from the ocean.

The original caption in the magazine reads: “Under a magnifier, a splash of seawater teems with life. The planktonic soup includes bug-like copepods; long, glassy arrowworms; coiled filaments of cyanobacteria; rectangular algae called diatoms; fish eggs;a...