The X can possibly be the sex chromosome. Like for human female we have the XX chromosomes and when the allele is on the X chromosome we write as X with a R as the superscript on top right.
The organs that work together is called systems. It is a group of parts or organs that interact and work together for a common purpose or function. Each of the parts seems to depend to each other in order to achieve their shared functions and goals. When one of the organs in a system becomes dysfunctional, automatically the other parts cannot function as effective as they were during those times that everybody's in good condition becaus the condition of one organ in the system directly affects the others too.
Answer:
Science fiction is a genre whose content is based on supposed scientific achievements that could be achieved in the future. This makes science fiction different from the fantastic genre, where situations and characters are the result of imagination.
Explanation:
Among its characteristics we can specify:
-Eminently narrative, although there are also rare forays into the world of poetry.
-Interested in the scientific and technological discourse.
-They have a certain margin of technological prediction, attributable to this genre inquires into the dreams and fantasies of humanity that science is determined to make reality.
Some examples:
-I'm a legend of Robert Matheson.
-Neuromancer of William Gibson.
The root tip allows the plant to grow deeper into the soil
