1.) describe the amphibian life cycle. Include the different phases and traits of each phase. 2.) describe how baby reptiles are born and what they are like.

Which best describes the structure of dna?

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

Identify the composition of oceanic and continental crystal rocks.in a model of earth’s interior,where would these rocks appear?