Science Chapter 1- Lesson 2. How are organisms classified? Scientists organize organisms by sorting,...
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Transcript of Science Chapter 1- Lesson 2. How are organisms classified? Scientists organize organisms by sorting,...
![Page 1: Science Chapter 1- Lesson 2. How are organisms classified? Scientists organize organisms by sorting, or classifying them into groups according to shared.](https://reader035.fdocuments.us/reader035/viewer/2022062423/5697c02b1a28abf838cd847d/html5/thumbnails/1.jpg)
Science
Chapter 1- Lesson 2
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How are organisms classified?
Scientists organize organisms by sorting, or classifying them into groups according to shared characteristics.
Classification has been called the science of findingpatterns.
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The broadest category an organism can be classified into is a kingdom. Kingdoms are very
LARGE groups. Scientists use 6 subgroups to classify within kingdoms.
The smallest group an organism can be classified into is a species. A species only contains organismsthat are very closely related.
Kingdom
Phylum Class Order Family Genus Species
An easy way to help you remember is to use the following:
Katy Perry Comes Over For Great Sushi!
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Please answer the following question :
Why do scientists only use the genusand species names to identify anorganism and not all the classificationgroups?
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What are animals?
•Animals are multicellular•Animals do not make their own food•Animals do not have a cell wall•Animals are able to move from place to place
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Animal Kingdom
Vertebrates
Invertebrates(Animals with a backbone) (Animals without a backbone)
1. Fish2. Amphibians3. Reptiles4. Birds5. Mammals
1. Mollusks (shelled animals)2. Echinoderms (sea stars)3. Arthropods (insects)
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Plant Kingdom
All plants are multicellular and make their own food. Plants are organizedinto two major groups:
1.Vascular- Contains tubes or vessels2.Nonvascular- No tubes or vessels
Nonvascular plants remain small and close to theground, where they soak up water directly.
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Please answer the following question in your notebook:
An organism looks like an animal but itdoes not move. How could you determine whether it was an animal?
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What are plants and fungi?
Organisms from only two kingdoms,plants and fungi have cell walls.
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Fungus Kingdom
Most fungi get energy by breaking down deador decaying plants and animals. Many fungiare used by humans. Yeast is a fungus thatmakes bread. Fungi are the original source of medicines called antibiotics.
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Please answer the following question in your notebook:
How are fungi different from plants?
What would happen to a forest without fungi?
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Archaebacteria Kingdom
Complex, one-celled organisms, they are foundin extreme conditions, such as areas with no oxygen.
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Eubacteria Kingdom
Complex, one-celled organisms. Most bacteriaare found in this kingdom. They are classifiedin their own kingdom because their chemicalmakeup is different. Some produce vitamins and food like yogurt.
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Protist Kingdom
Protists are multicellular or unicellular organismsthat either make their own food or eat otherorganisms.
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Six KingdomsAnimalVertebrates- fish, amphibians,mammals, reptiles, birdsInvertebrates- arthropods, mollusks, echinoderms
PlantVascularNonvascular
Fungus
Archaebacteria
Eubacteria
Protists