A camping party got lost in the wilderness for several days. They had sufficient food but misplaced their matches and could drink only the water from the clear lakes and streams in the area without boiling it. Very quickly everyone developed diarrhea
that lasted the entire 8 days until they were rescued. Which type of pathogen was probably responsible?
A) protozoan B) prion C) vector D) fungus
Answer: A
You might also like to view...
Fungi are more likely to ?"self-fertilize" because hyphal strands of the same individual are in close proximity to one another
Indicate whether the statement is true or false.
The hundreds of species of Drosophila in Hawaii exhibit different mating rituals. This isolating mechanism is
A. prezygotic and behavioral. B. prezygotic and temporal. C. prezygotic and geographical. D. postzygotic and mechanical. E. prezygotic and ecological. 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 reproductive isolation mechanisms? Choose Answer · Given what you now know, what information and/or problem solving approach 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?
Halobacterium has a photosynthetic membrane that appears purple. Its photosynthetic action spectrum is the inverse of the action spectrum for green plants
(That is, the Halobacterium action spectrum has a peak where the green plant action spectrum has a trough.) What wavelengths of light do the Halobacterium photosynthetic pigments absorb? A) red and yellow B) blue, green, and red C) green and yellow D) blue and red
A consumer's production efficiency is ___________ the assimilation efficiency.
A) always less than B) always the same as C) always greater than D) unrelated t