Classification Why Classify? To study the diversity of

Classification Why Classify? To study the diversity of

Classification Why Classify? To study the diversity of life, biologists use a classification system to name organism and group them in a logical manner.

Domains All living organisms are divided into 3 domains and subdivided into 6 kingdoms Domains containing prokaryotic cells

Archaea Bacteria Domain containing eukaryotic cells Eukarya

Naming Organisms In the discipline of taxonomy scientists classify organisms and assign each organism a universally accepted name.

Common names of organisms vary, so scientists assign one name for each species. Always in Latin. Carolus Linneaus developed a naming system called binomial nomenclature.

Naming Organisms In binomial nomenclature, each species is assigned a two part scientific name. The scientific name is italicized.

The first name is the genus name. It shows that organisms are closely related The second name is the species name. It is specific to a particular organism.

Felis catus Canis familiaris Canis lupus

Linnaeus's System of Classification Linnaeus not only named species, he also grouped them into categories. Categories are based on characteristics that organisms shared

7 categories in order from largest to smallest Kingdom Phylum To remember the Class

Order categories in order use Family the following: King Genus

Philip came over for Species great soup. Linnaeus's System of Classification

Each level is called a taxon, or taxonomic category. Species and genus are the two smallest categories. Organisms that share the same genus are most closely related to each other.

Grizzly bear Black bear

Grizzly bear Black

bear Kingdom Phylum

Class Order Family

Genus Species Giant panda

Red fox Coral

Abert squirrel snake Sea star

Eubacteria Prokaryotic Unicellular

Autotrophic/heterotrophic/chemosynthetic Reproduce asexually Contain cell wall containing peptidoglycan Some are mobile Largest and most diverse kingdom

Live everywhere Bacteria Bacillus (rod shaped)

E. coli Plaque bacteria

Streptococcus Archaebacteria Prokaryotic Unicellular

Autotrophic/heterotrophic/chemosynthetic Reproduce asexually Contain cell wall does not contain peptidoglycan Some are mobile DNA similar to eukaryotes

Live in extreme environments Some are anaerobic (live without oxygen) Under water sea vent

Hot springs Protists

Unicellular/multicellular Heterotrophic/autotrophic Some have cell wall, chloroplasts, cilia, or flagella Reproduce sexually or

asexually Some are mobile Eukaryotic Amoeba

Amoeba Paramecia showing food vacuoles

containing dyed yeast. Paramecium X-rated

Diatoms..my fav! Different diatoms Dinoflagellates

Red tide Algae multicellular protist

Kingdom Fungi

Unicellular/multicellular Heterotrophic Eukaryotic cells Other

Cell wall Decomposer Reproduce sexually or asexually No chloroplasts Non-mobile

Yeast M U

S H R O O

M Cool pic Bracket fungus

White fungus Honeycomb fungus

Tree fungus Birds nest fungus

Those arent eggs, theyre spores;

kinda like seeds. Isnt it cutie?

Plants Multicellular Autotrophic Eukaryotic

Other Cell wall Chloroplasts Reproduce sexually or asexually

Non-mobile Above: Rafflesia - one of the rainforests largest flowers. 3 ft across and hold 6-7 qts. of water.

Right: worlds smallest plant; 12 can fit on head of a pin (enlarged lower right) Another really big flower! It smells like

rotting flesh mixed with burnt sugarnice! Big cactus!

Unique Flowers This is a plant! It has no chlorophyll! It has no photosynthesis! Its weird! Its a parasite! It used to be classified

as a fungus!

Animals Eukaryotic

Multicellular Heterotrophic Other No cell wall

No chloroplasts Reproduce sexually or asexually Most are mobile Glass Sponge

Sea sponge Coral

Coral polyps Coral polyps

Echinoderms Star Fish Feeding Little tube feet

Tube feet up close and personal Sea feather

Live sand dollar Sea cucumber.. Ewe! Giant clam

Clams with foot extended Sea worms

Sea worms More sea worms

nudibranch nudibranch More nudis!!

Last one Insect carrying eggs

Duck-billed platypus with babies Spiny ant eater (echidna)

Echidna egg in pouch Vocabulary Assignment 1.

2. 3. 4. 5. 6.

7. 8. Classification Taxonomy

Domain Kingdom Species Bacteria Protist

Autotroph 9. Flagella 10.Cilia 11. Heterotroph

12.Amoeba

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