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#Question id: 10242
#10. Ecological Principles
Ecologist Robert Macarthur observed that five species of similar warblers coexisted on spruce trees because they
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#Question id: 9152
#9. Diversity of Life Forms
In mountainous areas of western North America, north-facing slopes would be expected to ________.
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#Question id: 19361
#13. Methods in Biology
How can the recombinants of phagemid vector Pembl8 be identified?
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#Question id: 5233
#11. Evolution and Behavior
The most important feature that permits a gene to act as a molecular clock is ________.
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#Question id: 561
#1. Molecules and their Interaction Relevant to Biology
Enzyme X exhibits maximum activity at pH = 6.9. X shows a fairly sharp decrease in its activity when the pH goes much lower than 6.4. One likely interpretation of this pH activity is that: