The major abiotic reservoir for phosphorus is ________
A) the oceans
B) the atmosphere
C) rock
D) dead organic matter
C
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In this scenario, the person’s eyebrow would be the __________
a. microhabitat b. life zone c. macrohabitat d. niche
The term genomics means
A) the study of genotypes. B) population genetics. C) the study of genetic disease. D) the study of genomes.
All of the following are true of cell communication systems EXCEPT ____
a. cell signaling occurred early in the evolution of life b. communicating cells may be found far apart or adjacent to each other c. most signal receptors are found bound to the outer nuclear membrane d. protein phosphorylation is a major mechanism of signal transduction e. in response to a signal, a cell can impact transcription of RNA
Which of the following is a typical characteristic of molluscs?
A) a gastrovascular cavity with only one opening B) a sessile lifestyle C) an internal skeleton and segmented body plan D) a rasping organ called the radula