I'd say stone tools. Stone can be chiseled or left alone and be used as a weapon to defend one's self, or as a way of getting food.
Answer:
The monomers of DNA are composed of nucleotide.
Answer:
4
Explanation:
Plants are autotrophs, which means they produce their own food. They use the process of photosynthesis to transform water, sunlight, and carbon dioxide into oxygen, and simple sugars that the plant uses as fuel
Bottleneck is an example of a genetic drift that happens when the size of a population is severely reduced.
Answer:
shifting farming
Explanation:
this process of farming doesn't allow the forest regenerate ergo destroys it ..
