Some spores are produced endogenously and some are exogenously . How ?
In Phycomycetes: 1. Asexual reproduction takes place by zoospores (non-motile) or by aplanospores (motile). 2. These spores are exogenously produced in sporangium. 3. A zygospore is formed by fusion of two gametes; if these gametes are similar in morphology (oogamous) or dissimilar (isogamous)Top of Form