chapter 2 characteristicsand classification of life
TRANSCRIPT
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Chapter 2
Characteristics and
Classification of Life
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Chapter 2CClassification
of Life
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Taxonomy
The science of classifying living organisms
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III. Classification of Life
A. Why classify?
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Classify
To arrange into groups
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A. Why Classify?
• By learning characteristics about individuals, you can also learn characteristics about the whole group.–Generalization
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A. Why Classify?
• Classification makes finding information about specific organisms easier.
• There are many different ways to classify living things.
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III. Classification of Life
B. The Modern Classification System
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B. The Modern Classification System
• Developed by Carolus Linnaeus
• Composed of seven basic levels
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B. The Modern Classification System
• Kingdom• Phylum• Class• Order
• Family• Genus• Species
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B. The Modern Classification System
• All of the living things in a particular group have some physical characteristics in common.
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The World of Classification
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B. The Modern Classification System
1. Scientific namesa) Linnaeus created a two-name system for naming each organism.
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1. Scientific Names
b) The first name is the genus of the organism.–Always capitalized
c) The second name is the species of the organism.–Not capitalized
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1. Scientific Names
d) Scientific names are italicized.e) Latin words are used and often describe the organism.
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Examples of scientific names
Acer rubrum Canis familiaris
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B. The Modern Classification System
2. Problems of Classificationa) Uncertainties in
classifying–What should be considered the same species?
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B. The Modern Classification System
2. Problems of Classificationb) False conclusions–Evolutionary approach–Common ancestors?–Nonbiblical worldviews
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2. Problems of Classificationc) Species and biblical
kinds
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Biblical Kind
A grouping of organisms, established by God, that are able to breed among themselves and produce offspring.
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B. The Modern Classification System
2. Problems of Classificationc) Species and biblical
kinds–Not the same–Scientists can define species however they want; it is a man-made concept.