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Classifying Life

Day 2

Summer Roland

on 2 May 2013

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Transcript of Classifying Life

Day 2 - Classifying Life What is the difference between vertebrates and invertebrates?

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
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