DO: Today we will learn about the history of classification

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DO: Today we will learn about the history of classification 1/22 Agenda: Bell work Classification of Living things Materials: - Pencil Notebook Classification Packet DO: Today we will learn about the history of classification DQ: Why do we have a classification system?

WHAT IS CLASSIFICATION? CLASSIFICATION IS grouping things according to similar characteristics (Examples of characteristics are size, shape, color, behavior, etc…) Biological classification systems name & organize living things in a logical and meaningful way.

Classify something!

DEFINITIONS Taxonomy: the study or practice of classifying living things Basis of a classification/taxonomic system: the characteristic that is used to decide what things are placed in which groups during the process of classification

History of Classification 1) Aristotle: A. Lived around the year of 384 BC B. Designed a classification system for organisms 1. The basis of his taxonomic system was the characteristic of movement. 2. First: He divided ALL living things into two groups/kingdoms: Those that can move from place to place Those that cannot move from place to place ANIMALS PLANTS 3. Second: He divided the group called animals (can move) into 3 groups according to the way they moved: fly, walk, swim

History of Classification 2) Today’s system: A. Basis of today’s system: similarity of structure (ex.: skin covering, DNA) B. The system used today has 5 kingdoms. Listed from the kingdom of the simplest organisms to the kingdom of the most complex organisms, these 5 kingdoms are: 1) Moneran Kingdom (simplest organisms) 2) Protist Kingdom 3) Fungi Kingdom 4) Plant Kingdom 5) Animal Kingdom (most complex organisms)

MAJOR TRAITS MONERAN KINGDOM PROTIST KINGDOM FUNGI KINGDOM EXAMPLES PICTURES MONERAN KINGDOM PROTIST KINGDOM FUNGI KINGDOM PLANT KINGDOM ANIMAL KINGDOM UNICELLULAR NO NUCLEUS BOTH HETEROTROPH AND AUTOTROPH UNICELLULAR NUCLEUS BOTH HETERTROPH AND AUTOTROPH MULTICELLULAR HETERTROPH HAVE A CELL WALL MULTICELLULAR AUTOTROPH MULTICELLULAR HETEROTROPH SPECIALIZED TISSUE ORGANS AND ORGAN SYSTEM

CLASSWORK WORKSHEET #1