If the phage types of isolates are identical, and a connection exists between the isolates, the chances are great that they are epidemiologically related.
A) True
B) False
A) True
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Owl species A has a carrying capacity of 2000, while another owl species B has a carrying capacity of 200. What is the logical conclusion of this?
A) Species A is larger than B. B) Species B uses more resources per individual. C) Species A uses more habitat per individual. D) Species B feeds on A.
The deciduous forest of eastern North America has experienced dramatic changes over the past two to three centuries, transitioning from a nearly continuous forested area to increasingly patchy areas of forest broken up by farming and development
Some species are more sensitive to severe habitat fragmentation than others. What are some characteristics that might make a species more susceptible to the effects of habitat and population fragmentation?
Which of the following is not a property of carbon?
a. Carbon-to-carbon bonds are limited to single bonds. b. Carbon has four valence electrons. c. Carbon can form bonds to various other atoms. d. Two carbon atoms can share three electron pairs with each other. e. Carbon-to-carbon bonds are strong.
The process by which food is propelled through the digestive tract by alternating contraction and relaxation of smooth muscle is
A) elimination. B) secretion. C) chemical digestion. D) peristalsis. E) absorption.