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Ayushi what does this photo show
This photo shows water weeds .
Sorry ,This is Rotifers
What is biological rhythm?
Biological rhythms are the natural cycle of change in our body’s chemicals or functions. It’s like an internal master “clock” that coordinates the other clocks in your body. The “clock” is located in the brain, right above the nerves where the eyes cross. It’s made up of thousands of nerve cells that help sync your body’s functions and activities.
There are four biological rhythms:
- circadian rhythms : the 24-hour cycle that includes physiological and behavioral rhythms like sleeping
- diurnal rhythms : the circadian rhythm synced with day and night
- ultradian rhythms : biological rhythms with a shorter period and higher frequency than circadian rhythms.
- Infradian rhythms : biological rhythms that last more than 24 hours, such as a menstrual cycle
The circadian clock plays a physical, mental, and behavioral role that responds to light and dark.
Experimental setup to culture fruit flies 
How much water flea can be eaten by a hydra
And much time it take to digest them
What all studies have been done on fruit flies?
How many Nobel prizes have been given for studies on fruit flies?
6 nobal prizes are given
Currently 6 nobel prizes have been awarded. The recipients are -
1933:Thomas Hunt Morgan
1946:Herman Joseph Muller
1995:Edward B Lewis
2004:Richard Axel
2011:Jules A Hoffman
2017: Jeffrey C Hall
See the micro organisms in beaker