What is the correct rank order for relative amount of water (most to least) required for excretion of the primary nitrogenous wastes generated by different animals?
A. ammonia ? uric acid ? urea
B. ammonia ? urea ? uric acid
C. uric acid ? ammonia ? urea
D. urea ? ammonia ? uric acid
E. urea ? uric acid ? ammonia
Answer: B
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The process by which new species are created from old species is achieved through which of the following?
a. energy consumption b. evolution c. thermoregulation d. mutations
A nucleosome consists of
A. a stretch of DNA. B. an RNA molecule. C. a ribosome and RNA. D. a stretch of DNA and histones. E. two or more closely related genes.
The liver is associated with all EXCEPT which of
the following functions? a. formation of urea b. formation of bile c. detoxification of poisons d. secretion of bicarbonate ions e. hormone inactivation
The most plausible explanation for the high number of spiders in plot 4 is:
A. there are too many flies overall.
B. there are no centipedes to prey on the spiders and there are abundant flies upon which to feed.
C. the spiders preyed on the centipedes and ignored the flies.
D. the flies and spiders worked together to eliminate the centipedes
Clarify Question
1. What is the key concept addressed by the question?
2. What type of thinking is required?
3. What key words does the question contain and what do they mean?
Gather Content
1. What do you know about food webs?How does it relate to the question?
Consider Possibilities
1. What other information is related to the question? Which information is most useful?
2. Which food webs make sense?
choose Answer
1. Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?
Reflect on Process
1. 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?