Practice Questions
Evolutionary biologists often compare the morphological features of different organisms to look for relationships to determine how they have changed over time. Describe a study an evolutionary biologist might carry out in determining whether two species share a common ancestor, based on morphology.
To determine whether two species evolved from a common ancestor, geneticists may examine the biochemical makeup of each species to look for relationships. Describe a study a geneticist could conduct to explore the relationship between two species that may not appear to be closely related.
Scientists studying how organisms have changed over time gather information and evidence from a variety of different fields. Describe a study a biochemist might design to determine the relationship between two species that are believed to have a common line of descent.
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