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Transcript of Classifying Life
Name three invertebrates.
Name three vertebrates. Vertebrates have a backbone and invertebrates do not. Every organism can be classified at 7 different levels: phylum kingdom class order family genus species ARISTOTLE - *Greek philosopher *divided organisms into 2 kingdoms - plants and animals *divided animals into blood and bloodless *also divided animals into 3 groups according to how they moved - walking, flying, or swimming (land, air, or water) *his system was used into the 1600's 4th century B.C. (384 to322 B.C.) Using Aristotle's 3 group system (based on movement), name 2 animals that would fit each of the 3 groups. Discuss whether Aristotle's 3 group system had any built-in problems. Explain any problems that you detect with his system. walking - cat, dog, human, etc.
flying - bird, bat, butterfly, etc.
swimming - fish, whale, manatee, etc.
Yes, Aristotle's system had some problems. Some animals fit into more than 1 group (e.g. duck, alligator, etc.). His system looked more at behavior, rather than at similarities/differences in form (e.g. bats and birds both fly, but are very different in form) CAROLUS LINNAEUS - 18th century Swedish scientist
- classified plants and animals according to similarities in form into 5 kingdom system. monera, protista, fungi, plantae or animalia kingdoms - 2nd divided each of the kingdoms into smaller groups "genera" (plural of "genus") - 3rd divided each genera into smaller groups "species" - designed a system of naming organisms called binomial nomenclature which gave each organism 2 names binomial = ("two names") nomenclature = ("system of naming") - 1st divide living things into one of five "kingdoms" Classification of the Grizzly Bear Using the previous information about the 5 kingdoms and any other resources that you can find, complete the following activity.
The name of 20 organisms are listed.
In the column to the right of each organism, tell what kingdom it is classified into.
In the last column write at least one characteristic that places the organism into its kingdom (Monera, Protista, Fungi, Plantae, or Animalia).
ORGANISM KINGDOM CHARACTERISTICS hamster Animalia moves; heterotroph amoeba Protista 1-celled; has nucleus rose Plantae can't move; autotroph mushroom Fungi heterotroph; immobile diatom Protista 1-celled; has nucleus
human Animalia moves; heterotroph
bacteria Monera 1-celled; no nucleus
pine tree Plantae autotroph; can't move
multicellular algae Plantae autotroph; can't move
euglena Protista 1-celled; has nucleus
yeast Fungi immobile; heterotroph
mosquito Animalia moves; heterotroph
paramecium Protista 1-celled; has nucleus
owl Animalia moves; heterotroph
blue-green bacteria Monera 1-celled; no nucleus
dandelion Plantae autotroph; can't move
puffball Fungi immobile; heterotroph
goldfish Animalia moves; heterotroph
1-celled algae Protista 1-celled; has nucleus
sponge Animalia multicellular; heterotroph