Pneumatophores of black mangroves are:
a. prop roots.
b. aerial roots.
c. germinated seeds.
d. pores on leaves.
e. salt-excreting structures.
B
You might also like to view...
Juvenile diabetes (or insulin-dependent diabetes) results when insulin-producing cells in the pancreas are destroyed by the patient's own immune system
a. True b. False Indicate whether the statement is true or false
The metabolism of a cell is the sum of all of its chemical reactions
Indicate whether the statement is true or false
Which of the following is mismatched?
A) CO2 + 4H2 ? CH4 + 2H2O — Methane-producing bacteria B) 2 NO2- + O2? 2 NO3 — Nitrobacter C) 6CO2 + 6H2O ? C6H12O6 + 6O2 — Clostridium D) N2 + 6H+ ? 2NH3 — Beijerinckia E) SO42- + 10H+ ? H2S + 4H2O — Desulfovibrio
The total number of viable microorganisms remains constant in stationary phase because ________.
A. there is a cessation of cell division even though the cells may remain metabolically active B. there is a balance between cell division and cell death C. either there is a balance between cell division and cell death or there is a cessation of cell division even though the cells may remain metabolically active D. None of the choices are correct.