Plasma from a sick mouse is filtered across a membrane that has a 200 nm pore size. If the filtrate is still infectious when injected into a healthy mouse, then the pathogen is most likely a(n):
A. parasitic worm
B. bacterium
C. archaean
D. virus
E. fungus
Answer: D
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You are an experienced naturalist and biologist and you observe two birds mating that you do not believe to belong to the same species
The eggs from this breeding do not hatch, and when you obtain one of the eggs, you find embryonic development stopped not long after fertilization. Which of the following conclusions is supported by these observations? A. Pre-zygotic isolation prevented successful reproduction. B. Post-zygotic factors prevented successful reproduction. C. Behavioral isolation prevented successful reproduction. D. Temporal isolation prevented successful reproduction. E. This is evidence to suggest the two types of birds are a single species.
Why are fungi used to clean oil spills?
A. Fungi use the hydrocarbons in oil instead of CO2 during photosynthesis. B. The chemicals in oil kill off the fungus's competitors. C. Fungi use the organic molecules in the oil as food. D. Fungi store the hydrocarbons in their large central vacuoles. Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about fungi? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
E. O. Wilson coined the term ________ for our innate appreciation of wild environments and living organisms
A) bioremediation B) bioethics C) biophilia D) biophobia
Most known microorganisms maintain their internal pH ________.
A. near neutral (pH 7) B. slightly alkaline (pH 8-10) C. slightly acidic (pH 4-6) D. near their optimum growth pH