Bipedalism as general definition, is the ability of all types of animals standing in two feet. The environmental Adaptability is the way to get used to a habitat and weather. Both of them played an important role in the evolution of modern humans. According to the book “Worlds Together, Worlds Apart” by Robert Tignor, describes the advantages of bipedalism and the environmental adaptations that allowed modern humans to live into two different environments.
The advantages of bipedalism were walking two feet and the use of hands to make many activities. Standing and walking on two feet is more energy efficient than knuckle walking and frees the arms to do other task as carring food (Tignor 8). They were able to come down from trees and get their own food as modern humans do. Also, being upright exposes a smaller body surface to the sun and …show more content…
The apes came down from trees, stood up and learn to walk, run and live in the Savannah lands. Started to use stone tools and were able to have the addition of meat to their diets (Tignor 9). The use of stone tools helped them to have better quality on life because those tools facilitated the daily work, also they used in order to get meat and prepared for food. They had to adapt to the new environment because of food and avoid predators and improved the chances to survive (Tignor 9). In the past, they received threats of predators that could attack them or their group. In addition, historians observed the change in brain size and deduced that they had consistent cognitive developments as problem solving and language. In the past, they received threats from predators that could attack them or their selves or kill one of the individuals. In addition, historians observed the change in brain size and deduced that they had consistent cognitive developments as problem solving and