Resource partitioning in communities is a strategy that ________
a. allows a species to exploit its fundamental niche
b. reduces intraspecific competition
c. reduces interspecific competition
d. allows a species to maximize competitive exclusion
c
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All protists have cell walls
A. true B. false
You are working in a clinical laboratory in a hospital setting. You're handed a throat swab from a patient. You are told specifically that the physician is only interested in the presence and type of Gram positive cells
Identification isn't the main goal here-just a first step to work towards determining what Gram positive cells might be there.What might you do first to go about working towards this goal? A. Perform a Gram stain. B. Streak the sample for isolation on a tryptic soy agar general purpose medium plate. C. Streak the sample for isolation on a medium that is selective for Gram positive cells while suppressing Gram negative cell growth. D. Grow the microbes on the swab by inoculating a tryptic soy broth liquid medium tube. E. Perform an acid-fast stain.
An organism's observable traits constitute its _____
a. phenotype b. variation c. genotype d. pedigree
Systematics is:
a. the study of naming and assigning organisms. b. the evolutionary history of a specific organismal group. c. the study of the diversity of life to understand its evolutionary history. d. the practice of arranging organisms into a hierarchy. e. All of the above are correct.