Where are most of the species in the world located?
a. desert
b. tundra
c. rainforest
d. pennsylvania

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

Which of the following explains why a tree is often used as a model to represent the principle of common descent

What is the major difference between a virus and a viroid?