A new winged species is discovered in the Amazon rainforest. Select the evidence that supports that this species' wings are homologous to vertebrate animals and analogous to insect wings. Check all that apply.A) The wings have an underlying bone structure.B) The wings are poisonous.C) Blood vessels are networked through the wings.D) The wings are covered in chitinous scales.
What will be an ideal response?
A, C
Clarify Question
What is the key concept addressed by the question?
• The question stem is asking you to select evidence supporting that the species' wings are homologous to vertebrate wings and analogous to insect wings.
What type of thinking is required?
• You are being asked to take what you already know and use, or apply, it to comparing homologous structures and analogous structures.
Gather Content
What do you already know about homologous structures? What other information is related to the question?
• Homologous structures may have different appearances and functions even though they are derived from the same common ancestral body part. Analogous structures may have different appearances, but similar functions even though they are not derived from the same common ancestral body part.
Choose Answer
Given what you now know, what information is most likely to produce the correct answer?
• Of the options available, which ones describe structures you would find within vertebrate limbs, such as wings? Bones and blood vessels are found in vertebrate animals.
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?
• Answering this question correctly depended on your ability to use homologous structures in a new situation. If you got an incorrect answer, did you remember that homologous structures are derived from a common ancestor? Did you have trouble extending this evidence for evolution to determine the correct answer?
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What other information is related to the question? Which information is most useful?
What will be an ideal response?
Yeast is used to produce beer and wine but can also make bread rise. All of these processes involve the production of alcohol. Explain why you can eat bread and not get drunk.
A. The bread-making process produces ethyl alcohol, not isopropyl alcohol. B. The amount of alcohol produced is too small to be noticeable. C. The heat of cooking bakes out the alcohol. D. The bread-making process produces isopropyl alcohol, not ethyl alcohol.
Which of the following reactions is a dehydration reaction?
A. A + H2O ® B + C B. A + B + H2O ® C C. A ® B + C+ H2O D. A + B ® C + H2O 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 know about dehydration reactions? How does it relate to the question? 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?
The experiments of which of the following
researchers clearly distinguished DNA and NOT protein as the hereditary material? a. Pauling b. Hershey and Chase c. Griffith d. Watson and Crick e. Avery