Which of the following characteristics is used when classifying organisms within the plant kingdom? A. use of photosynthesis
B. presence of cell walls
C. production of oxygen
D. type of vascular tissue

Afisherman is dragging his boat from the shore out into the ocean. match the following lists of areas he will move over in the correct order. continental rise continental slope continental shelf [tex]1.[/tex] [tex]2.[/tex] [tex]3.[/tex]

What amino acid is coded for by this sequence after the mutation

What best explains the inability for life to exist in earth early atmosphere