Which of these categories of classification contains organisms that are most closely related?
A. family
B. class
C. order
D. genus
Ans: D. genus
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If you are tossing a six-sided die, what is the probability of getting either a 1 or a 2 on your first toss AND a 1 or a 2 on your second toss?
A. 1/18 B. 1/9 C. 1/6 D. 1/3 E. 2/3 Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain? Gather Content · What do you already know about probability? Consider Possibilities · What other information is related to the question? Which information is most useful? 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?
In multicellular organisms, the mechanism most directly responsible for directing development and maintaining homeostasis is gene
A. mutation. B. duplication. C. deletion. D. regulation.
Reported toxins' effects on marine phytoplankton include all of the following except
a. increased sinking rate. b. inhibited photosynthesis. c. reduced growth. d. reduced cell division. e. tumors.
What term describes a species with a disproportionately large effect on a community relative to its abundance?
a. pioneer b. indicator c. keystone d. exotic e. invasive