A Biologist Discussing the Discovery of Horseshoe Crab Fossils That

question 23

Multiple Choice

A biologist discussing the discovery of horseshoe crab fossils that date to 445 mya mentions that these fossils were the ancestors of horseshoe crabs living today.Which biological principle does this illustrate?

• A) The fundamental unit of life is the cell.
• B) All organisms on Earth share a common ancestor.
• C) Life is continuous.
• D) All living organisms are composed of cells.
• E) Evolution explains the diversity of living organisms on Earth today.

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Definitions:

Presidential Candidate

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A representation of a typical farmer, considering factors like production scale, income, and practices, to generalize farm operations.

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The national government of a federal country that has powers over matters that affect the entire country, distinct from state or provincial governments.