Stem cell lines are developed from ________
A) multipotent cells
B) inner cell mass cells from a blastocyst
C) cells collected from umbilical cords
D) cells collected from amniotic fluid
B
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Consider the cladogram shown. Which pair of species shares the greatest number of derived characters (synapomorphies)?
A. 1 and 4
B. 2 and 3
C. 2 and 4
D. 6 and 4
E. 6 and 5
Clarify Question
· What is the key concept addressed by the question?
· What type of thinking is required?
· What key words does the question contain and what do they mean?
Gather Content
· What do you already know about cladistics?
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?
Engelmann's experiment demonstrated that ________
a. bacteria seek specific colors of light when cooled below certain temperatures b. plant cells produce different amounts of oxygen when illuminated by different colors of light c. green light is the most effective at promoting plant growth in greenhouses d. photosynthetic bacterial cells seek specific colors of light for optimum ATP production
What will be a consequence if current predictions of global warming are accurate?
A. Freshwater will be more widely available. B. Organisms will need to migrate or adapt quickly in order to survive. C. Rates of natural selection will decrease. D. New continental land masses will appear. E. Many plants and animals will become smaller.
What was needed by the microorganisms to facilitate the speed of the bioremediation process after the Exxon Valdez oil spill?
A. More phosphate B. More bacteria C. More oil D. All of these choices are correct.