How to write a sentence about a simple and complex organism?

How to write it. First gather all the facts about your chosen organism from reliable sources. List all the details of the organism revealing the complexity of its being but the simplicity of its nature and what it does in life. There is no such thing as a simple organism, each one is unique and has it's own purpose and its purpose helps other organisms fulfill their own.

Lastly please list the sources and if you quote a person please use the proper quotation marks in the statement and at the end try and offer the websites in which you've received your information.

b) to encourage free trade

the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.