The Hubbard Brook watershed studies revealed the

importance of tree roots in preventing loss of calcium
from an ecosystem. Calculation of calcium loss is
performed by sampling
a. the roots of the trees in the watershed.
b. the soil of the watershed.
c. water exiting the watershed.
d. lakes in the watershed.
e. water in streams in the watershed


Answer: c

Biology & Microbiology

You might also like to view...

Which structure prevents blood flowing back into the heart from the aorta between heartbeats?

A. semilunar valve B. atrioventricular valve C. tricuspid valve D. mitral valve E. ductus arteriosus

Biology & Microbiology

Which of the following statements is true in DNA replication?

A) DNA polymerase unwinds the DNA at replication forks. B) Primase removes short RNA primers and replaces them with DNA. C) Ligase breaks the hydrogen bonds between complementary DNA strands. D) DNA polymerase proofreads DNA, correcting mismatched nucleotides.

Biology & Microbiology

Explain this statement: "There is bias in the fossil record." What will be an ideal response?

Biology & Microbiology

Which geological timescale contains the greatest number of years?

A. Periods B. Epochs C. centuries D. eras E. Decades

Biology & Microbiology