Life also requires water. Maintenance our bodies are able to use energy and maintain our structure, even though all of the atoms in our bodies are replaced every seven years. Growth living things grow. Response to stimuli 5. Variation mutations change the nature of living organisms 7.
Adaptation living things adapt to their environment.
However, in 1952, two investigators did an experiment that demonstrated that formation of life on earth soon after it formed is at least plausible. Hydrogen, ammonia and methane, to simulate the primitive atmosphere 2. Electric arc, to simulate lightening. They sealed this environment, and after two weeks opened the flask and analyzed the result. They found evidence for complex molecules including amino acids, which are basic components of proteins and necessary for life .