Apicomplexa

Apicomplexa is a large group of microscopic, single-celled organisms that often cause diseases in humans and animals. They have a complex life cycle and can invade host cells to reproduce. Notable members include parasites like the ones causing malaria, toxoplasmosis, and coccidiosis. Unlike bacteria, they are not affected by antibiotics and are classified as protozoa. Their unique cellular structures, called apical complexes, help them penetrate and infect host cells. Understanding Apicomplexa is important for controlling diseases they cause and developing effective treatments.