Grouping an Identifying Organisms

What is the purpose of classifying organisms?

• To hide their true identity

• To make them look pretty

• To group them based on physical features

• To confuse scientists

Who is the pioneering 18th-century scientist known for his work in biological classification?

• Marie Curie

• Isaac Newton

• Charles Darwin

• Carl Linnaeus

Which of the following are the three biological domains used for classification?

• Mammals, Fish, Amphibians

• Insects, Reptiles, Birds

• Archaea, Bacteria, Eukarya

• Plants, Animals, Fungi

How are organisms classified according to Carl Linnaeus?

• By their size

• By their shared physical features

• By their color

• By their smell

What is the purpose of creating higher taxonomic categories according to Linnaeus?

• To encompass a broader range of organisms

• To make the classification more complicated

• To limit the number of species

• To confuse students

What is represented by each split in the branches of a taxonomic tree?

• A common ancestor

• An alien invasion

• A new species

• A mutation

How do scientists determine how closely species are related to each other?

• By asking the organisms themselves

• By reading their minds

• By analyzing DNA sequences

• By flipping a coin

Why is taxonomic study important to modern science?

• To accurately determine relationships between organisms

• To waste time

• To confuse everyone

• To make things more complicated