Characterstic features ofEuglenoids.

What are the characterstic features of euglenoid?
Ans:
  1. Most of the euglenoids are fresh water organises found in stagnantwater. 
  2. They have a protien rich layer called pellicle which make body flexible.
  3. They have two flagella, a short and a long one. 
  4. The anterior part of the cell bears an invagination consisting of cytostome, cytopharynx and reservoir.
  5. Eye spot or photosensitive stigma is present in the reservoir. 
  6. They behave as heterotrophs when deprived in sunlight. 
The reproduction is by longitudnal vinay fussing.

For more information please comment
Thank you....... 
Have a nice day

Comments

Post a Comment

Popular posts from this blog

Sailent features and importance of chrysophytes.

Image
Silent features and importance of chrysophytes? Ans: Chrsophytes i doatoms and golden algae.  They are found in fresh water as well as in marine water. Most of them are photosynthetic.  In diatoms the cell wall form two thin overlapping shells, epithet over hypothetical which fit together as soap box.  The walls are embedded with silicon and thus the walls are indestructible.  Diatoms leave large amount of cell wall deposits in there habitat, this accumulation referred as diatomaceous earth or kieselghur.  They reproduce a sex ally by vinay fusion and sex ally by games.  Important : *The diatomaceous soil is used in polising,filtration of oils and syrup. *Diatoms are the chief`producers'in the oceans. If any doubts please comment  Thank you.....  Have a nice day
Read more

What is dinoflagellates?

Image
Brief account of dinoflagellates? Ans: Dinoflagellates are mostly marine and photosynthetic.  The cell wall has stiff cellulite plates on the outer surface.  They have two flagella and produce spinning movements. So protests are called whirling wipe.  The nucleus has condensed chromosomes, which are without histones.  Some dinoflagellates like noctiluca show bioluminescence.  Red dinoflagellates like Gonyaulax undergo rapid multiplication and make the sea appear red[Resides in Mediterraneliansea]. Toxins produced by them may kill fishes.
Read more