What stanza? No sentence can be given without the stanza.
Answer: Memory
Explanation: The more we live the more memorise we gain.
Darwin's argument tells us that species develop their traits through natural selection due to competition, survival and reproduction. Diversification of species is an important part to make his argument valid because diversification suggest extinction of specie if it doesn't survive.
The answer is d dddddddddddddddddddddddddddddddd
