Which of these ecosystems has the lowest productivity?

A. tropical forest
B. tundra
C. savanna
D. open ocean
E. lake


D. open ocean

Biology & Microbiology

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From which of the following body sites would you expect to isolate Staphylococcus, Propionibacterium, Streptococcus and Corynebacterium as the primary colonizing microbiota?  

A. Stomach B. Deep gum regions C. Small intestine D. Skin 

Biology & Microbiology

Corynebacterium glutamicum is used for the large scale industrial production of ________.

A. amino acids B. polysaccharides C. vitamin B1 D. antibiotics

Biology & Microbiology

The muscles of the myometrium:

A. are sloughed off during menstruation. B. create the contractions of labor and orgasm. C. form the external cover of the uterus. D. are very weak and are incapable of expanding

Biology & Microbiology

New species that arise in the same physical area as its parent species is called sympatric speciation.

Indicate whether the statement is true or false.

Biology & Microbiology