The river continuum concept suggests that one of the following is higher in headwater streams

A) autochthonous carbon
B) allochthonous carbon
C) phytoplankton abundance
D) macrophyte abundance


B

Biology & Microbiology

You might also like to view...

The letter "A" in the accompanying figure represents the ____

a. humerus b. pectoral girdle c. skull d. sternum e. pelvic girdle

Biology & Microbiology

Enzymes used to cut genes in recombinant DNA

research are a. ligases. b. restriction enzymes. c. transcriptases. d. DNA polymerases. e. replicases.

Biology & Microbiology

Which of the following is MOST effective against resistant endospores?

A. Pasteurization B. Boiling C. Autoclaving D. All of these are equally effective against resistant endospores.

Biology & Microbiology

Which of the following molecules are produced by transcription?

A. Ribozymes B. Ribosomal proteins C. Messenger RNA

Biology & Microbiology