Answer
1) Life has multiple levels of organization.
2) Organisms have a method for gaining materials and energy for survival.
3) Organisms are able to maintain internal balance, or homeostasis.
4) Organisms are able to receive external stimuli and react to them.
5) Organisms have methods for reproduction to pass on genetic information, and are able to grow and develop.
6) Populations of organisms are able to evolve and adapt to their environment.
Work Step by Step
The above is a general summary of all of the main points discussed in 1.1.