Imagine that a phylogeny was developed for a group of mammals based on bone structure. Which of the following statements would be a reasonable prediction about a phylogeny for the same group of species based on similarities and differences in the structure of a particular enzyme?

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#Question id: 3289

#Section 2: Evolution

If, someday, an archaean cell is discovered whose SSU-rRNA sequence is more similar to that of humans than the sequence of mouse SSU-rRNA is to that of humans, the best explanation for this apparent discrepancy would be

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#Question id: 10699

#Section 1: Ecology

Two plant species co-occur in a prairie. Species X always occurs near species Y. However, species Y often occurs in isolation from species X and produces more seeds when alone than when growing next to species X. Which of the following interactions between species X and Y could generate this pattern?

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#Question id: 8919

#Section 2: Evolution

The last common ancestor of all animals was probably a

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#Question id: 8846

#Section 2: Evolution

Why are hydrocarbons insoluble in water?

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#Question id: 16852

#General Aptitude

He bought a blue car on his birthday.