The fur on an arctic polar bear appears white all year. The color of the fur is an example of
an adaptation helping the organism to survive
an organism exchanging materials with its environment
3.
an organism responding to internal stimuli
4. metabolism regulating an organism's activities

2. how does the miller-urey experiment fall short of demonstrating that life can arise from inorganic molecules? explain. a. it doesn't show a leap between a collection of amino acids and a single-celled organism. b. it recreates the conditions that existed at the earth's beginning, but no molecules form as a result. c. it doesn't provide evidence of the formation of amino acids. d. it doesn't show how multicellular organisms developed from unicellular organisms