The first simple, one-celled organisms that developed during the precambrian era are called a. trilobites b. prokaryotes c. stromatolites

B. Prokaryotes

On the basis of the fossil evidences found the prokaryotes including the bacteria and archea were the first single celled organisms, which were expected to be present in the 3.5 to 3.8 billion years ago typically in the Precambrian Period. On the basis of the fossil evidences obtained these organisms were abundantly present.

. west

answer

procedural programming, object-oriented programming

explanation

procedural programming is a type of computer programming language that specifies a series of well structured steps and procedures   within its development period of time. it contains a systematic order of statements, functions and commands to complete a computational task or program. it is centered on creating procedures. while object oriented programming is a programming language that is centered on creating objects rather that actions and data rather than logic.. it has four principles which are inheritance, polymorphism, abstraction and encapsulation