Arrange the following cultural conditions in ascending evolutionary order as per L.H. Morgan. A. Development of bow and arrow B. Beginning of the use of fire C. Invention of irrigation D. Development of art of pottery Choose the correct answer from the options given below:
The question asks to arrange specific cultural conditions in ascending evolutionary order according to Lewis Henry Morgan's theories on social evolution.
L.H. Morgan proposed that human societies evolve through distinct stages, broadly categorized as Savagery, Barbarism, and Civilization. Key technological and cultural innovations mark transitions between these stages.
Based on Morgan's framework and archaeological evidence, the advancements generally follow this sequence:
Therefore, the correct ascending evolutionary order is:
This sequence corresponds to B, A, D, C.
Creationism is rejected by evolutionary biologists because
You wanted to conduct Miller-Urey experiment and used a simplified apparatus with Tungsten electrodes. You heated the glassware at 500°C for 3 hours to remove any organic contaminants. Gases NH3, CH4, CO and H2 were introduced followed by generating electric spark. Which of the essential ingredients did you forget to add?