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Quick Answer: In which algae motile colonies are found?

So from these discussions we can conclude that Volvox is the only algae which can form a motile colony.

What is motile colonial algae?

Volvox is a genus of chlorophytes, a type of green algae. It exists as a grand spherical colony. Each little alga within the colony bears two flagella, whip-like hairs. The cells have eye spots, more developed near the anterior, which enable the colony to swim towards light.

Which green algae is motile?

Algae exhibit the greatest variety of cell motility phenomena in the living world. These range from the peculiar gliding motility of filamentous blue green algae or cyanobacteria to chloroplast movements and cytoplasmic streaming which are most common in higher plants.

Which is example of colonial algae?

Volvox is a chlorophyte green alga that belongs to the family Volvocaceae. It is a freshwater species found in colonial forms. Each Volvox colony comprises thousands of cells in two forms – somatic cells and germ cells.

Is green algae motile?

The typical green algal cell, which can be motile or nonmotile, has a central vacuole, pigments contained in plastids that vary in shape in different species, and a two-layered cellulose and pectin cell wall. Food is stored as starch in pyrenoids (proteinaceous cores within the plastids).

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Which algae is non-motile?

Unicellular, non-motile algae is chlorophycea.

Is red algae motile?

The red algae generally are considered to have no motile stages. Cells of unicellular species often displayed active movement although were otherwise indistinguishable from nearby immobile cells, and these may be equivalent to the motile spores released after differentiation in more complex multicellular species.

Which is a unicellular motile algae?

Unicellular algae – Algal thallus have single cell. e.g. Chlamydomonas, Chlorella etc. Motile form – The algal cell which have the capability of movement. Motile form of algae is either Rhizopodial or Flagellated.

Is a motile microscopic algae?

Motile Unicellular Algae. The two motile algae presented in this gallery are Euglena and Trachelomonas, both members of the phylum Euglenaphyta. They are important in the food chain of the freshwater habitats, providing nutrition for a wide variety of micro organisms and filter feeders such as water fleas.

Which is colonial green algae?

Algae in which cells resembling free-swimming uni cells form groups which may be large and elaborately interconnected as in Volvox, or smaller and relatively simple as in Synura is said to be colonial algae.

Is Fucus colonial algae?

(A) Porphyra (B) Fucus (C) Gracillaria (D) Chara Page 62 answer Ans [B] Fucus is a brown algae i.e. belongs to Class Phaeophyta. In this alga the accumulation product of photosynthesis is D-mannitol (a sugar alcohol) and the reserve food material is laminarin.

Which of the following is a colonial form of green algae?

The correct answer is Volvox. When one-celled algae come together to form a group to perform functions together, then it is called a colony.

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Are fungi motile?

They reproduce through numerous spores rather than pollen, fruit, or seeds. They are usually not motile, meaning they cannot actively move around.

Is Chlorella a motile algae?

– Chlorella – Non motile unicellular alga.

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