Which of the following choices best summarizes the results of the experiment by Damschen and her
colleagues in the graph above?
a. Habitat patches with landscape corridors are at higher risk of encroachment by exotic
species than isolated habitat patches are.
b. Over time, the number of native species harbored by habitat patches with landscape
corridors was increasingly greater than in isolated habitat patches.
c. The number of both native and exotic species increased over time in habitat patches that
were connected by landscape corridors.
d. The number of native species increased over time in isolated habitat patches but not in
those connected by corridors.
e. The number of exotic species is greater than the number of native species.
B
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Regarding CO2 fixation mechanisms in the autotrophic green sulfur bacteria,
A) Chlorobium uses the reverse citric acid cycle, and Chloroflexus uses the hydroxypropionate pathway. B) Chlorobium uses the hydroxypropionate pathway, and Chloroflexus uses the reverse citric acid cycle. C) both Chlorobium and Chloroflexus use the reverse citric acid cycle. D) both Chlorobium and Chloroflexus use the hydroxypropionate pathway.
Reproductive cloning is used to produce large amounts of mammalian proteins from transgenic agricultural animals such as cattle
Indicate whether the statement is true or false
Diseases such as scrapie in sheep, "mad cow" disease in cattle, and Creutzfeldt-Jakob disease in humans are known as
A. viroids. B. viruses. C. retroviruses. D. TSEs (transmissible spongiform encephalopathies). E. emerging viruses, for example Ebola.
Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?
What will be an ideal response?