In this article we will discuss about the asexual and sexual methods of reproduction that occurs in the life cycle of volvox. 1. Asexual Reproduction: During asexual reproduction some cells of the posterior part of colony become reproductive. These cells enlarge up to ten times, become rounded and lose flagella. These cells are called gonidia (Sing, gonidium) (Fig. 2 A). [...]
In this article we will discuss about the asexual and sexual methods of reproduction that occur in the life cycle of chlamydomonas. 1. Asexual Reproduction: It takes place by following methods: (A) By zoospores- The zoospore formation takes place during favourable conditions. The zoospore formation takes place as follows: The protoplast contracts and gets separated from the cell wall. The [...]
In this article we will discuss about the vegetative, asexual and sexual methods of reproduction that occur in the life cycle of oedogonium. (i) Vegetative Reproduction: Vegetative reproduction takes place by fragmentation and akinete formation. (A) Fragmentation: Oedogonium filament breaks into many small fragments which have capability to grow into complete filaments under favourable conditions. Fragmentation takes place due to [...]