The dynamics of an ecosystem depends on two main processes, which are ____

a. the cycling of energy and the unidirectional flow of nutrients
b. the unidirectional flow of energy and the cycling of nutrients
c. the multidirectional flow of both energy and nutrients
d. the unidirectional flow of both energy and nutrients
e. the cycling of both energy and nutrients


ANSWER: b

Biology & Microbiology

You might also like to view...

Explain the endosymbiotic theory. What is the evolutionary value of endosymbiosis?

What will be an ideal response?

Biology & Microbiology

Which of the following is true about two-dimensional gel electrophoresis?

A. The first dimension separates proteins based on their size. B. The second dimension separates proteins based on their isoelectric point (pI). C. The first dimension separates proteins based on their density. D. The second dimension separates proteins based on their size. E. The second dimension separates proteins based on their charge.

Biology & Microbiology

Which of the following analyses would be most effective in identifying a disease-causing gene variant inherited from a parent, or one that has arisen in the child?

A) Law of independent assortment B) Pedigree analysis C) Dihybrid cross D) Family exome analysis

Biology & Microbiology

The sour flavor in some fermented foods is usually the result of (acetic/benzoic/lactic) acid production.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology