Photosynthesis occurs in two stages. What are the two stages? light-independent reactions & dark reactions
light-independent reactions & Calvin cycle
light-dependent reactions & Calvin cycle
dark reactions & Calvin cycle

Which statements best describe the atoms of the gas neon? check all that apply

What will a hypothesis become if supported by repeated expermentation

Which of the following is true? species on earth today are but a fraction of all species that ever lived. the number of species existing at one time has decreased throughout history. extinctions of past species has happened gradually and on a small scale. most organisms present early in earth's prehistory were more complex than modern organisms. "bacteria represent a newer form of life, not present during the early prehistory of earth."