zoöspores

Zoöspores are motile asexual reproductive cells produced by various organisms, primarily fungi and algae. The name "zoöspore" derives from the Greek words "zoön" meaning animal and "spora" meaning seed, reflecting their characteristic movement, which is often compared to that of tiny animals.

These spores typically possess one or more flagella, which are whip-like appendages that enable them to swim through aqueous environments. The number and arrangement of flagella can vary depending on the species. Zoöspores are released from a sporangium, a specialized sac-like structure. Once released into water or moist soil, they actively seek out a suitable substrate for germination.

Upon finding a favorable location, the zoöspores lose their flagella and develop into a new individual organism through asexual reproduction. This mode of reproduction allows for rapid dispersal and colonization of new areas, especially in wet conditions. Examples of organisms that produce zoöspores include certain species of Chytridiomycota (a group of primitive fungi) and various divisions of algae like Chlorophyta and Phaeophyta. The presence and characteristics of zoöspores are important features used in the classification and identification of these organisms.