Scientific TaxonomyScientific Taxonomy

Tree of LifeTree of Life

Scientific TaxonomyScientific Taxonomy

Scientific TaxonomyScientific TaxonomyDomainDomainKingdomKingdomPhylumPhylumClassClassOrderOrderFamilyFamilyGenusGenus

SpeciesSpeciesDid King Phillip Cry Out, "For Goodness Sakes!"?

DomainsDomains

ProkaryotesProkaryotes SimpleSimple No nucleusNo nucleus Small Small

Bacteria

Archaea

EukaryotesEukaryotes Larger than prokaryotic cellsLarger than prokaryotic cells Have specialized structures called Have specialized structures called

organellesorganelles You are made of eukaryotic cellsYou are made of eukaryotic cells

KingdomsKingdomsKingdom Animalia

Kingdom Fungi

Kingdom Plantae

Kingdom Protista

ProtistsProtists Protozoa, algae, Protozoa, algae,

slime moldsslime molds Mostly single Mostly single

celledcelled

(A) a diatom an autrophic protist, (B) a herbivorous oligotrich ciliate, (C) a herbivorous tintinnid ciliate, (D) a dinoflagellate, and (E) a radiolarian. Images by J.R. Dolan(From http://www.eoearth.org/article/Marine_microbes)

PlantsPlants Cell wall, Cell wall,

chloroplastschloroplasts AutotrophicAutotrophic

(makes own (makes own food)food)

Trees, mosses, Trees, mosses, fernsferns

FungiFungi Cell wallCell wall Heterotrophic Heterotrophic

(cannot make (cannot make own food)own food)

Yeast, Yeast, mushroomsmushrooms

AnimalsAnimals MotileMotile Heterotrophic Heterotrophic

(cannot make (cannot make own food)own food)

Worms, insects, Worms, insects, vertebrates, “us”vertebrates, “us”

ClassificationClassification

ClassificationClassification

Leopard ClassificationLeopard Classification

Tree of LifeTree of Life http://tolweb.org/tree/

What is a bug? What is a bug? Domain = Domain = EukaryaEukarya

Kingdom= Kingdom= AnimaliaAnimalia

Bugs belong to a phylum called Bugs belong to a phylum called ArthropodaArthropoda

Characteristics of Characteristics of ArthropodsArthropods

1.1. Bilateral symmetryBilateral symmetry2.2. Segmented bodySegmented body3.3. Hard exoskeletonHard exoskeleton4.4. Jointed legsJointed legs5.5. Many pairs of limbsMany pairs of limbs

Classes of ArthropodsClasses of Arthropods Many classesMany classes Include insects, arachnids, Include insects, arachnids,

myriapods, and crustaceans myriapods, and crustaceans

Classifying BugsClassifying BugsArthropods Arthropods

InsectInsect ArachnidArachnid CrustaceanCrustacean Myriapod Myriapod

three body three body parts parts

two body two body parts parts

two main body two main body parts parts

long long segmented segmented body body

three pairs of three pairs of legs legs

four pair of four pair of legs legs

five to seven five to seven pairs of legs pairs of legs

one or two pair one or two pair of legs per of legs per segment segment

one pair of one pair of antenna antenna

no antenna no antenna two pairs of two pairs of antennae antennae

short or long short or long antennae antennae

may or may may or may not have wings not have wings

no wings no wings no wings no wings no wings no wings

use gills to use gills to breathe breathe

Activity 1Activity 1 Sort the pictures of arthropods any Sort the pictures of arthropods any

way you choose.way you choose. You must be able to state a reason You must be able to state a reason

for the categories.for the categories.

Activity 2Activity 2 Sort your piles of pictures again by Sort your piles of pictures again by

separating the insects from the non-separating the insects from the non-insects.insects.

Activity 3Activity 3 Sort your group of arthropods into Sort your group of arthropods into

insects, arachnids, myriapods, and insects, arachnids, myriapods, and crustaceans.crustaceans.