According to the optimal foraging theory, a predator will select prey 1 (P1 ) over prey 2 (P2 ) when

A) E1 < E2.
B) Th1 < Th2.
C) E1/Th1 < E2/Th2.
D) Nprey1 > N prey2.


B

Biology & Microbiology

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The electrons flowing through the electron transport chains in photosynthesis come from and end up being carried by _.


Examine this image, showing an electron transport chain in photosynthesis.
A. oxygen; NADPH
B. oxygen; water
C. NADPH; water
D. water; NADPH
E. NADPH; oxygen

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Although Gregor Mendel knew nothing of chromosomes, mitosis, or meiosis, we now know that his Principle of Segregation corresponds to the events of _____

1.meiosis I 2.meiosis II 3.mitosis 4.both meiosis and mitosis 5.neither meiosis nor mitosis

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Bacteriophages are

a. large bacteria. b. pathogenic bacteria. c. viruses that infect bacteria. d. virus-eating bacteria. e. viruses that infect eukaryotic cells.

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Yersinia pestis typically contains

A. one plasmid. B. two plasmids. C. three plasmids. D. four plasmids.

Biology & Microbiology