3 Domains of Life

Front

What are the three domains of life?

Back

Bacteria, Archaea, Eukarya

Front

What type of organisms are included in the domain Eukarya?

Back

Eukaryotes, which include animals, plants, fungi, and protists.

Front

What is a defining characteristic of organisms in the Bacteria domain?

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They are prokaryotic, meaning they lack a nucleus and membrane-bound organelles.

Front

What is the primary difference between prokaryotic and eukaryotic cells?

Back

Prokaryotic cells do not have a nucleus or membrane-bound organelles, while eukaryotic cells do.

Front

Can you name a common bacterium that belongs to the Bacteria domain?

Back

E. coli (Escherichia coli) is a well-known bacterium in the Bacteria domain.

Front

What type of cell contains a nucleus?

Back

Eukaryotic cell.

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What organisms are classified under the Archaea domain?

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Archaea includes extremophiles such as methanogens, halophiles, and thermophiles.

Front

What is the significance of the domain classification in biology?

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It helps scientists understand the evolutionary relationships and characteristics of different life forms.

Front

What are extremophiles?

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Organisms that thrive in extreme environmental conditions, often found in the Archaea domain.

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How do eukaryotic cells reproduce?

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Eukaryotic cells can reproduce sexually or asexually, often through processes like mitosis and meiosis.