Loosely, a monophyletic taxon is one that includes a group of organisms descended from a single ancestor, whereas a polyphyletic taxon is composed of unrelated organisms descended from more than one ancestor.
-- Barbara Kean. Barbara Kean was an art gallery owner in Gotham City, and formerly the fiancee fiancÃ©e Of Jim. Gordon both his work And Leslie thompkins eventually ended their. relationship
A brilliant botanical biochemist, Pamela Isley is a fervent eco-terrorist out to save the world's plant life by any means necessary. She often finds herself at odds with Batman, though they have, on occasion, fought on the same side. She has had a long friendship with Harley Quinn and is responsible for Harley's meta-human abilities. Ivy, Harley, and Catwoman later teamed up as the Gotham City Sirens.