In which habitat would you expect to encounter community assemblages that are most similar?
A. A savannah and a tropical rain forest.
B. Freshwater streams in North America and Europe.
C. A freshwater lake within a deciduous forest.
D. The pelagic and intertidal zones of the same ocean.
Answer: B
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DNA replication and gene expression in archaeans more closely resemble eukaryotic cells than the same processes in bacteria. However both Bacteria and Archaea are prokaryotic. What does this suggest?
A. Eukaryotic cells are descended from modern Archaeans. B. Bacterial cells are not related to Archaeans. C. Eukaryotic cells shared a more recent common ancestor with Archaeans than with bacterial cells. D. There must have been 2 origin events, one producing the bacteria and the other producing Archaeans and eukaryotic cells. 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 phylogenetic trees? How does it relate to the question? 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?
What is the key concept addressed by the question?
What will be an ideal response?
The Central Dogma describes the flow of genetic information as
A) Protein—RNA—DNA. B) DNA—RNA—Protein. C) RNA—DNA—Protein. D) DNA—Protein—RNA.
Pattern baldness is a trait that is referred to as sexa
linked. b. related. c. retarded. d. influenced. e. matched.