An ecosystem is a(n) ______system in terms of energy,and a(n) ______system in terms of matter.
A) open; open
B) closed; closed
C) closed; open
D) open; closed
Correct Answer:
Verified
Q2: Of the total energy intercepted at Earth's
Q4: Which of the following is NOT a
Q5: A study of the spatial distribution of
Q6: Autotrophs that dwell in dark caves,wells,or on
Q7: Photosynthesis involves
A)the use of sunlight to produce
Q8: 6CO2 + 6H2O + Light g C6H12O6
Q11: Chlorophyll reflects predominately_ wavelengths of visible light.
A)green
B)indigo
C)blue
D)red
Q12: The openings on the surfaces of plant
Q13: A self-sustaining association of living plants and
Q14: The study of the distribution of plants
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