Multiple Choice
Matter can recycle through the biosphere because
A) matter is passed out of the body as waste.
B) matter is assembled into chemical compounds.
C) biological systems do not use up matter, they transform it.
D) biological systems use only carbon, oxygen, hydrogen, and nitrogen.
Correct Answer:

Verified
Correct Answer:
Verified
Q8: What is an ecological model of the
Q9: The trophic levels in Figure 3-2 illustrate<br>A)the
Q10: Which of the following descriptions about the
Q11: What is the term for each step
Q12: Which of the following has a direct
Q14: Which type of pyramid shows the amount
Q15: A snake that eats a frog that
Q16: The movements of energy and nutrients through
Q17: Plants are<br>A)producers.<br>B)consumers.<br>C)herbivores.<br>D)omnivores.
Q18: Carbon cycles through the biosphere in all