Linnaean System
Domains
Prokaryotes vs. Eukaryotes
Characteristics
100

What is the order of classification from broadest to most specific?

  • The order from broadest to most specific is: Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species.
100

What are the three domains of life?

  • The three domains of life are Archaea, Bacteria, and Eukarya.
100

What is a prokaryote?

  • A prokaryote is a single-celled organism that lacks a nucleus, such as bacteria.
100

Name a characteristic used to classify organisms.

  • A characteristic used to classify organisms is cell type (prokaryotic vs. eukaryotic).
200

What is the purpose of the Linnaean system?

The purpose of the Linnaean system is to provide a standardized way to name and classify organisms based on shared characteristics.

200

Which domain do humans belong to?

Humans belong to the domain Eukarya.

200

Name one disease caused by bacteria.

One disease caused by bacteria is strep throat.

200

What physical feature differentiates mammals from reptiles?

  • The physical feature that differentiates mammals from reptiles is the presence of hair or fur in mammals.
300

What level of classification comes after Family?

The level of classification that comes after Family is Genus.

300

Name a characteristic of Archaea.

A characteristic of Archaea is that they often live in extreme environments, such as hot springs or salt lakes.

300

What organelle is absent in prokaryotes?

The organelle absent in prokaryotes is the nucleus.

300

How do scientists use DNA in classification?

Scientists use DNA to determine genetic relationships and evolutionary connections among organisms.

400

What is the difference between genus and species?

Genus is a group of species. Species are physical characteristics that describe it.

400

What is a defining trait of Eukarya?

A defining trait of Eukarya is the presence of a nucleus in their cells.

400

How do eukaryotic cells reproduce?

Eukaryotic cells reproduce through mitosis or meiosis.

400

What is an example of a behavioral characteristic used for classification?

  • An example of a behavioral characteristic used for classification is migration patterns in birds.
500

Who developed the Linnaean system?

Carl Linnaeus developed the Linnaean system.

500

How do prokaryotes differ from eukaryotes?

Prokaryotes do not have a nucleus or membrane-bound organelles, while eukaryotes do.

500

What is one advantage of multicellular organisms?

One advantage of multicellular organisms is specialization of cells for different functions.

500

Describe the role of habitat in classification.

  • The role of habitat in classification is that organisms are often grouped based on the environments they live in, which can influence their adaptations.
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