classifying organisms

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28 Terms

1
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how many different organisms are on earth

1.7 million

2
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Classification

the process of grouping things based on their similarities

3
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why do biologists use classification

to organize living things into groups so that its easier to study

4
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Taxonomy

the scientific study of how living things are classified

5
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who was the first man to classify organisms

aristotle

6
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how many groups did aristotle classify the organisms in

3

7
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what were the groups that aristotle classified the organisms in

fly/swim, walk/crawl, run

8
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subgroups

smaller groups of organisms that shared other similarities.

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who expanded aristotle’s ideas of classification

Linnaeus

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Binomial Nomenclature

each organism is given a two-part name

11
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Genus

is the first part of an organism’s scientific name. It is a classification grouping that contains similar, closely related organisms.

12
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Species

the second part of an organism’s scientific name.  It is a group of similar organisms that can mate and produce fertile offspring in nature. A species name sets one species in a genus apart from another

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what makes it easy for scientists to communicate about an organism

Binomial nomenclature

14
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how many levels are there in the classification system to classify an organism

8

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what are organisms grouped by

shared characteristics

16
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what are the 1st level of classification

domain

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what is the 2nd level of classification

kingdom

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what is the 3rd level of classification

phylum

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what is the 4th level of classification

class

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what is the 5th level of classification

order

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what is the 6th level of classification

family

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what is the 7th level of classification

genus

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what is the 8th level of classification

species

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what are the 3 domains

bacteria, archaea, and eukarya

25
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what kingdom falls under bacteria

eubacteria

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what kingdom falls under archaea

archaebacteria

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what kingdom falls under eukarya

protista, plantae, fungi, animalia

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Field Guides

books with illustrations that high-light differences between similar-looking organisms.