Multiple Choice
If photosynthesis had not developed on Earth, living organisms would have led a harsher existence because of
A) a much hotter atmosphere.
B) more intense UV radiation reaching Earth.
C) an overabundance of oxygen in the atmosphere.
D) an inability to obtain energy from inorganic compounds.
Correct Answer:
Verified
Correct Answer:
Verified
Q4: Suppose you are studying a population of
Q5: In which photosynthetic pathway are carbon dioxide
Q6: The first organisms on Earth were most
Q7: As light increases, photosynthetic rates increase. The
Q8: When you touch something hot, your hand
Q10: Refer to the table showing the oxygen
Q11: Which two pathways, which provide high concentrations
Q12: As CO<sub>2</sub> concentrations continue to increase in
Q13: Refer to the figure showing the CO<sub>2</sub>
Q14: To determine where plants obtain the raw