The Humboldt Current, a river of cold water running deep beneath the Pacific Ocean, sweeps eastward toward the South American coast until it hits the coastline, where it is forced upward near the surface. Deep sediments come up along with the cold water
Predict what you would find along that coast.
A) very few sea birds B) limited algae
C) tremendous biomass D) lots of rain
Answer: C
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Secondary succession occurs
a. after a fire. b. on a new sand dune. c. on bare rock. d. immediately after the formation of a man-made lake. e. on a newly-formed volcanic island.
What part of Darwin's theory was incomplete due to a lack of knowledge at the time of publication? How does the
synthetic theory of evolution explain this? What will be an ideal response?
________ activate repressor proteins, thereby decreasing the synthesis of certain enzymes.
A. Effectors B. Inducers C. Modulators D. Corepressors
What is the correct series of events during parturition?a. The amnion breaks.b. The cervix dilates.c. ACTH causes the adrenal cortex to release androgens into the bloodstream.d. Prostaglandins and oxytocin are produced.e. The baby is born and the umbilical cord is cut.f. The placenta is delivered.
A. c - b - f - a - e - d B. c - d - b - f - a - e C. c - d - b - a - e - f D. a - d - b - c - e - f E. c - d - a -b - e - f