Biology Chapter on Eukarya and Classification

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Questions and Answers

Which type of organisms are included in the domain Eukarya?

  • Bacteria
  • Archaea
  • Plants (correct)
  • Viruses

Prokaryotic cells are characterized by having a defined nucleus.

False (B)

What are the two types of primitive organisms?

Bacteria and Archaea

The process through which living organisms gain new adaptations over time is known as _____ selection.

<p>natural</p> Signup and view all the answers

Match the following domains with their characteristics:

<p>Domain Bacteria = Single-celled organisms that lack a membrane-bound nucleus Domain Archaea = Single-celled organisms found in extreme environments Domain Eukarya = Organisms with a membrane-bound nucleus</p> Signup and view all the answers

Who is considered the father of modern taxonomy?

<p>Carl Linnaeus (D)</p> Signup and view all the answers

Bacteria are classified as eukaryotic organisms.

<p>False (B)</p> Signup and view all the answers

What is the systematic position of humans in biological classification?

<p>Domain: Eukarya, Kingdom: Animalia</p> Signup and view all the answers

The scientific name for the domestic cat is __________.

<p>Felis domesticus</p> Signup and view all the answers

Match the following terms with their definitions:

<p>Domain = Most inclusive category of classification Species = Least inclusive category of classification Phylum = Group of related classes Genus = Group of related species</p> Signup and view all the answers

Flashcards

Prokaryotic Cells

Cells without a membrane-bound nucleus, simple internal organization, and include bacteria and archaea.

Eukaryotic Cells

Cells with a membrane-bound nucleus and more complex internal organization. Includes plants, animals, fungi, and protists.

Common Ancestor of all Cells

All cells share similar structures and molecules, thought to have evolved from a common ancestor.

Domains

Highest level of biological classification, based on biochemical and genetic criteria.

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Characteristics of Living Organisms

Living things are organized, acquire energy, reproduce, respond, maintain internal balance, grow, develop, and adapt.

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Domain Eukarya

A domain of life that includes organisms whose cells have a nucleus, and it is one of the three domains of life, including Bacteria and Archaea

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Binomial nomenclature

A two-part naming system for organisms; includes genus and species names.

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Cell Wall (Prokaryotic)

A rigid layer outside the cell membrane in prokaryotic cells that provides structure and support.

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Gram Staining

A technique used to differentiate bacterial species based on their cell wall structures.

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Related Documents

Cell Biology; BIO 116 PDF

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