Classification, Cladograms & Dichotomous Keys

Front

Cells that have a true nucleus are called...

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Eukaryotes

Front

When using a dichotomous key to identify organisms, what do we look at?

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Physical features

Front

According to this phylogenetic tree, which creature is the least related out of all pictured?

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Fish

Front

What step do we always start with when using dichotomous keys?

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1

Front

The scientific name for water bear is *Hypsibius dujardini*. What is its genus?

Back

*Hypsibius*

Front

What is a cladogram?

Back

A diagram that shows the evolutionary relationships among various biological species based on similarities and differences in their physical or genetic characteristics.

Front

What is a dichotomous key?

Back

A tool that allows the user to determine the identity of items in the natural world, such as plants and animals, by answering a series of questions that lead to the correct name.

Front

What are prokaryotes?

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Single-celled organisms that do not have a nucleus or other membrane-bound organelles.

Front

What is the difference between eukaryotes and prokaryotes?

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Eukaryotes have a true nucleus and membrane-bound organelles, while prokaryotes do not.

Front

What is taxonomy?

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The science of classifying organisms into groups based on shared characteristics.