Unit 2 Classification Review

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What is a prokaryote?

Back

A prokaryote is a single-celled organism that lacks a nucleus and membrane-bound organelles. Examples include bacteria.

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What is a eukaryote?

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A eukaryote is an organism whose cells contain a nucleus and membrane-bound organelles. Examples include plants, animals, and fungi.

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What is the difference between unicellular and multicellular organisms?

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Unicellular organisms consist of a single cell, while multicellular organisms are made up of multiple cells.

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What are the main characteristics of the Animal Kingdom?

Back

Organisms in the Animal Kingdom are multicellular, eukaryotic, and primarily heterotrophic (consumers).

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What is a dichotomous key?

Back

A dichotomous key is a tool that allows the identification of organisms based on a series of choices that lead the user to the correct name of a given item.

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What is the classification hierarchy in biology?

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The classification hierarchy includes Domain, Kingdom, Phylum, Class, Order, Family, Genus, and Species.

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What is the significance of the Genus in classification?

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The Genus is a rank in the biological classification that groups species that are closely related and share a common ancestor.

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What are the three domains of life?

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The three domains of life are Bacteria, Archaea, and Eukarya.

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What is the role of consumers in an ecosystem?

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Consumers are organisms that obtain their energy by eating other organisms, playing a crucial role in food chains and ecosystems.

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What is the difference between the Kingdom Plantae and Kingdom Animalia?

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Kingdom Plantae consists of multicellular, photosynthetic organisms with cell walls, while Kingdom Animalia consists of multicellular, heterotrophic organisms without cell walls.