Humans as individuals have a number of disadvantages compared to other animals.  For instance we

Humans as individuals have a number of disadvantages compared to other animals.  For instance we are not very fast, strong, cannot see well in the dark, have a poor sense of smell and hearing  compared to other animals, and we are not very good climbers.  With all of these disadvantages   how is it that we have been so successful?  Shouldn’t we have gone extinct as other humanoids   such as Homo erectus?  Discuss why humans have beaten the odds and are so successful.