The simple organisms may be unicellular, consisting of just 1 cell, but more complex organisms are multi-cellular, which means they might have more than one. So the answer you are looking for is A. 1
I hope this helps! :>
I dont think it is symbiotic, it is parasitic relationship. They get blood supply of human and dont give anything useful to humans
Answer:
Advantages of written communication: Easy to preserve: The documents of written communication are easy to preserve. Oral and non-verbal communication cannot be preserved. If it is needed, important information can be collected from the preserved documents.
It is a non-polar solvent. The color yellowish to gray solid
that can mix with water is Trimyristin, but can mix in ethanol, benzene,
chloroform, dichloromethane, and ether. The chemical formula of Trimyristin is C45H86O6,
saturated fat which is the triglyceride of meristic acid.
Parasites need a host. If a host tries to get rid of the parasite or kill it, then the parasite either has to leave the body or die.