Question

colony morphology of voluax with digram​

Answer 1

Answer:

. Coenobium (a colony with definite number of cells) is a hollow sphere of mucilage made of many cells.

2. All the cells are arranged in the periphery of mucilaginuous sphere in a single layer (Fig. 15).

Volvox Aureus

3. Number of cells in a colony varies from 500 to 60,000 in different species.

4. Cells are connected with each other by the cyto­plasmic strands, which form a net-like structure in the colony (Fig. 16A, B).

Volvox

5. All somatic cells are green in colour and show a typical Chlamydomonad structure, i.e., similar to that of Chlamydomonas. Cells in Volvoxglobator are Sphaerella type.

Explanation:

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Answer 2

Volvox is a polyphyletic genus of chlorophyte green algae in the family Volvocaceae. It forms spherical colonies of up to 50,000 cells. They live in a variety of freshwater habitats, and were first reported by Antonie van Leeuwenhoek in 1700 .Volvox thallus is a motile colony with definite shape and number of cells. This habit of thallus is called coenobium. ADVERTISEMENTS: The colony is hollow, spherical or oval in shape and the size of colony is about the size of a pin head.Volvox form spherical or oval hollow colonies that contain some 500 to 60,000 cells embedded in a gelatinous wall and that are often just visible with the naked eye.