What is gross primary production?
A. The carbon fixed during photosynthesis.
B. All of the carbon fixation after cellular respiration is accounted for.
C. Energy released by both primary and secondary consumers.
D. Photosynthetic production plus energy recycled through detritivores.
E. None of the answers is correct.
A. The carbon fixed during photosynthesis.
You might also like to view...
What is the fate of H2 produced within a rumen?
A) It is released via eructation (belching). B) It is transformed, along with other ions, into inorganic compounds. C) It is used in acetogenesis. D) It is used in methanogenesis.
In human populations, Hardy-Weinberg equilibrium is seen
A) in small, isolated communities. B) in populations with many immigrants. C) in communities founded by a small number of people. D) infrequently and in large communities with random mating.
Sequencing of the human genome was officially
completed in 2003 with about __________ percent of the coding regions deciphered with a high degree of accuracy. a. 89 b. 93 c. 95 d. 97 e. 99
In which of the following would there be the greatest need for osmoregulation?
A) an animal connective tissue cell bathed in isotonic body fluid B) a salmon moving from a river into an ocean C) a red blood cell surrounded by plasma D) a plant being grown hydroponically in a watery mixture of designated nutrients