Which organism has the largest number of protein-coding genes?
a. E. coli (bacteria)
b. Saccharomyces cerevisiae (yeast)
c. Homo sapiens (human)
d. Oryza sativa (rice)
e. Drosophila melanogaster (fruit fly)
ANSWER: d
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The interaction in which one species benefits and the second species is neither harmed nor benefited is ____
a. mutualism b. parasitism c. commensalism d. competition e. predation
Which organism is most likely to have a type III survivorship curve?
A. an oak tree B. a domestic dog C. corn in a farmer's field D. Paramecium 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 the characteristics of a type III survivorship curve? 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? Reflection 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?
In fish, blood flows in a direction opposite to the flow of water over the gills in a process known as:
a. concurrent exchange. b. countercurrent exchange. c. crosscurrent exchange. d. exhalation. e. diffusion.
Many lung ailments are "not curable but treatable." Which of the following conditions is most curable?
Select one: a. advanced lung cancer with metastases b. standard tuberculosis c. asthma d. emphysema e. COPD