Which one of the following ecosystems is most likely to show an inverted biomass pyramid but a normal energy pyramid?
A. Tropical forest
B. Open ocean
C. Grassland
D. Desert
E. Intertidal
Answer: B
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Which of the following statements regarding detection of shading in plants is not true?
A. Absorption of red light causes phytochrome to shift from its active state to its inactive state. B. Absorption of red light causes phytochrome to shift from its inactive state to its active state. C. Absorption of far-red light causes phytochrome to shift from its active state to its inactive state D. Absorption of red light causes a seed to germinate. E. Phytochrome is slowly shifted from its active state to an inactive state in the dark.
Even though seawater continues to dissolve minerals from rocks and new minerals are added from the interior of the earth, the salinity of the oceans is not increasing over time. Explain 3 reasons that cause this
What will be an ideal response?
Enzymes are composed of:
A) nucleotides. B) sucrose molecules. C) glucose molecules. D) glucose and sucrose molecules. E) amino acids.
If the wild type DNA sequence reads THE CAT ATE THE BIG RAT, what type of mutation would change the sequence to THE CAT ATE THE BAG RAT?
A. insertion B. deletion C. silent D. missense E. nonsense