Which of the following correctly lists important steps in human evolution in the correct order, from earliest to most recent? A. upright walking, big brain, tool use, control of fire B. big brain, upright walking, tool use, control of fire C. upright walking, big brain, control of fire, tool use D. upright walking, tool use, control of fire, big brain E. big brain, upright walking, control of fire, tool use

D). Upright walking, tool use, control of fire, big brain.

Explanation:

As per the question, option D correctly demonstrates the sequence of the stages of human evolution beginning from walking upright followed by the use of tools, discovery and handling of fire, development of their brain. During hominid lineage, the humans began to walk upright with two legs. Prior to this, they were apes with four-legs. The tools came in early stone age when the early humans learnt to make different tools using wood, stones, etc. Early man then began to control fire and use it for various purposes like 'cooking, protecting themselves from animals, etc. This inventions together contributed to development of human brain and they began to think more widely and creatively. Thus, option D is the correct answer.