What factors are attributed to the high productivity of continental slopes?
a. Sunlight and substrate availability
b. Concentration of nutrients and sunlight
c. Temperature and salinity
d. Concentration of nutrients and salinity
b
You might also like to view...
The inner cell mass of the blastula forms:
A. a bilaminar embryo consisting of the epiblast and the hypoblast. B. a trilaminar embryo consisting of the epiblast, the mesoblast, and the hypoblast. C. a gastrula consisting of a trilaminar embryo. D. a trilaminar embryo consisting of ectoderm, endoderm, and mesoderm. E. a bilaminar gastrula consisting of the epiblast and the hypoblast.
The methanogenic archaeans are ____ that pull
electrons from ____. a. chemoautotrophs; oxygen b. chemoheterotrophs; carbon dioxide c. chemoautotrophs; water d. chemoheterotrophs; methane e. chemoautotrophs; hydrogen gas
The first known primates were characterized as
a. arboreal and nocturnal. b. ground-dwelling and nocturnal. c. arboreal and diurnal. d. ground-dwelling and diurnal. e. none of these.
Which type of blood component is involved in the initiation of clotting?
A. platelets B. plasma proteins C. white blood cells D. red blood cells