Common Ancestor
-DNA as genetic storage
-Ester bonds in cell membranes

Common Ancestor
-DNA as genetic storage
-Ester bonds in cell membranes

Bacteria
-Presence of peptidoglycan in cell wall

Bacteria
-Presence of peptidoglycan in cell wall

Common ancestor of Eukarya & Archaea
-Presence of histones

Eukarya 
-Presence of membrane-bound organelles
-Presence of membrane-bound nucleus

Eukarya
-Presence of membrane-bound organelles
-Presence of membrane-bound nucleus

Excavata
-Feeding groove
-Secondary Plastids

Excavata
-Feeding groove
-Secondary Plastids

SAR clade

Stramenopila
-Tripartite flagellar hair
-Secondary plastids

Diatoms

Diatoms

Giant Kelp (Macrocystis pyrifera)

Giant Kelp (Macrocystis pyrifera)

Alveolata
-membranous vesicles on cell membrane
-secondary plastids but dinoflagellates can tertiary plastids

Alveolata
-membranous vesicles on cell membrane
-secondary plastids but dinoflagellates can tertiary plastids

Rhizaria
-filose pseudopodia

Radiolarians

Radiolarians

Foraminiferas

Foraminiferas

Archaeplastida
-primary plastids

rhodophytes (Red Algae)

rhodophytes (Red Algae)

Common ancestor of chlorophytes, charophytes, and lan plants
-cell walls made of cellulose
-chlorophyll a & b and b-carotene

Common ancestor of charophytes and land plants
-ring-shaped cellulose-synthesizing proteins
-phramgoplast

Southern Magnolia (Magnolia grandiflora)
-common ancestor of land plants
-Sporic life cycle
-embryo
-desiccation-resistant sp

Southern Magnolia (Magnolia grandiflora)
-common ancestor of land plants
-Sporic life cycle
-embryo
-desiccation-resistant spores
-apical meristems
-gametangia
-sporangia

Common ancestor of Mosses, Hornworts, Lycophytes, Monilophytes, Gymnosperms, Angiosperms

Common ancestor of Hornworts, Lycophytes, Monilophytes, Gymnosperms, Angiosperms

Common ancestor of Lycophytes and Monilophytes, Gymnosperms, and Angiosperms
-Lignin
-Xylem & Phloem
-Leaves
-Dominant sporophytes generation
-Thick waxy cuticle
-Stomata

Common ancestor of Monilophytes, Gymnosperms, Angiosperms
-Megaphylls

Common ancestor of Gymnosperms and Angiosperms
-pollen
-seed
-heterospory
-wood
-ovules

Gymnosperms
-"naked seeds"

Scots Pine (Pinus sylvestris)

Scots Pine (Pinus sylvestris)

Bald Cypress (Taxodium distichum)

Bald Cypress (Taxodium distichum)

Angiosperms
-"enclosed seeds"
-fruit
-endosperm
-ovaries

Southern Magnolia (Magnolia grandiflora)

Southern Magnolia (Magnolia grandiflora)

White Water Lily (Nymphaea alba)

White Water Lily (Nymphaea alba)

Eastern Marsh Fern (Thelypteris palustris)
-Monilophytes

Eastern Marsh Fern (Thelypteris palustris)
-Monilophytes

Fan clubmoss (Diphasiastrum digitatum)
-Lycophytes

Fan clubmoss (Diphasiastrum digitatum)
-Lycophytes

Field hornwort (Anthoceros agrestis)

Field hornwort (Anthoceros agrestis)

Woolly Feather Moss (Tomentypnum nitens)

Woolly Feather Moss (Tomentypnum nitens)

Common Liverwort (Marchantia polymorpha)

Common Liverwort (Marchantia polymorpha)

Charophytes (Braun's stonewort (Chara braunii))
-zygotic life cycle

Charophytes (Braun's stonewort (Chara braunii))
-zygotic life cycle

Chlorophytes (Green Algae)

Chlorophytes (Green Algae)

Unikonta

Amebozoa
-movement with pseudopodia

slime molds

slime molds

Opisthokonta
-single posterior flagellum on swimming cells

Fungi
-multicellularity
-absorptive heterotrophy
-cell wall
-zygotic life cycle

Fungi
-multicellularity
-absorptive heterotrophy
-cell wall
-zygotic life cycle

Fly Agaric (Amanita muscaria)

Fly Agaric (Amanita muscaria)

Black Bread Mold (>Rhizopus stolonifer)

Black Bread Mold (>Rhizopus stolonifer)

Common Ancestor of Choanoflagellate and Animals

Animals
American Black Bear (Ursus americanus)
-multicellularity
-absorptive heterotrophy
-mobility
-complex organ systems
-g

Animals
American Black Bear (Ursus americanus)
-multicellularity
-absorptive heterotrophy
-mobility
-complex organ systems
-gametic life cycle

Porifera
-Asymmetry
-No tissues

Porifera
-Asymmetry
-No tissues

Eumetazoa
-Tissue
-Symmetry

Bilateria
-triploblasty
-bilateral symmetry
-cephalization

Deuterostomia
-radial & indeterminate cleavage

Chordata
-notochord
-dosal nerve cord
-pharyngeal slits
-endostyle

Chordata
-notochord
-dosal nerve cord
-pharyngeal slits
-endostyle

Common ancestor of vertebrates & urochordates

Vertebrates
-cranium 
-vertebral column

Vertebrates
-cranium
-vertebral column

Gnathostomes
-jaws
-bony skeleton

Chondrichthyes
-bony skeleton lost
-cartilaginous skeleton in extant species

Chondrichthyes
-bony skeleton lost
-cartilaginous skeleton in extant species

Osteichthyes (bony fishes)
-lungs/lung derivatives

Ray-finned fishes (Actinopterygil)

Ray-finned fishes (Actinopterygil)

Lobe-finned fishes (Sarcopterygii)
-skeleton extends into the fin

Lobe-finned fishes (Sarcopterygii)
-skeleton extends into the fin

Common ancestor of lungfishes & tetrapods

Tetrapods
-4 limbs with digits

Amphibians
-non-amniotic egg

Amphibians
-non-amniotic egg

Amniotes
-amniotic egg

Mammals
-hair
-milk
-endotherm

Mammals
-hair
-milk
-endotherm

Common ancestor of Marsupials & Eutherians

Eutherians

Eutherians

Marsupials

Marsupials

Monotremes
-egg-laying mammals

Monotremes
-egg-laying mammals

Reptiles
-ectotherm

Reptiles
-ectotherm

Lepidosaurs (snakes, lizards, amphisbaenians)

Lepidosaurs (snakes, lizards, amphisbaenians)

Archosaurs

Turtles

Turtles

Common ancestor of birds & crocodilians

Birds (Aves)

Birds (Aves)

Crocodilians

Crocodilians

Lungfishes

Lungfishes

Coelocanths

Coelocanths

Agnathans (Cyclostome)

Petromyzontida (lampreys)

Petromyzontida (lampreys)

Myxini (hagfish)

Myxini (hagfish)

Urochordata

Urochordata

Cephalochordata

Cephalochordata

Echinodermata
-"spiny skin"
-water vascular system
-adults radially symmetrical, larvae are bilaterally
symmetrical
-no brain

Echinodermata
-"spiny skin"
-water vascular system
-adults radially symmetrical, larvae are bilaterally
symmetrical
-no brain
-complete digestive tract

Holothuroidea
-sea cucumbers

Holothuroidea
-sea cucumbers

Ophiuroidea
-brittle stars

Ophiuroidea
-brittle stars

Echinoidea
-sea urchins & sand dollars

Echinoidea
-sea urchins & sand dollars

Asteroidea
-sea stars

Asteroidea
-sea stars

Protostomia
-spiral & determinate cleavage
-blastopore becomes mouth

Lophotrochozoa
-lophophore and/or trocophore larvae

Platyhelminthes
-acoelomates
-incomplete digestive tract
-no respiratory or circulatory systems

Platyhelminthes
-acoelomates
-incomplete digestive tract
-no respiratory or circulatory systems

Free-living Rhabditophorans

Free-living Rhabditophorans

Trematodes
-parasitic

Trematodes
-parasitic

Tapeworms (cestoda)
-parasitic
-no digestive tract

Tapeworms (cestoda)
-parasitic
-no digestive tract

Common ancestor of Mollusca & Annelids

Annelida
-segmented worms
-closed circulator system
-complete digestive tract

Annelida
-segmented worms
-closed circulator system
-complete digestive tract

Mollusca
-soft-bodied 
-foot, visceral mass, mantle
-coelomates
-organ systems

Mollusca
-soft-bodied
-foot, visceral mass, mantle
-coelomates
-organ systems

Gastropoda

Gastropoda

Cephalopoda
-reduced or absent shell (except nautilus)
-closed circulatory system

Cephalopoda
-reduced or absent shell (except nautilus)
-closed circulatory system

Bivalvia
-2 part shell

Bivalvia
-2 part shell

Ecdysozoa
-ecdysis
-metamorphosis (most)

Arthropoda
-"jointed foot"
-segmented 
-exoskeleton made of chitin
-complete digestive tract 
-open circulatory system

Arthropoda
-"jointed foot"
-segmented
-exoskeleton made of chitin
-complete digestive tract
-open circulatory system

Pancrustaceans

Pancrustaceans

Crustaceans
-cephalothorax

Crustaceans
-cephalothorax

Hexapoda
-six legs
-insects
-many have wings (crucial to their success as a group)
-head, thorax, abdomen

Hexapoda
-six legs
-insects
-many have wings (crucial to their success as a group)
-head, thorax, abdomen

Chelicerates
-cephalothorax & abdomen
-4 paris of walking legs, pedipalps, chelicerae

Chelicerates
-cephalothorax & abdomen
-4 paris of walking legs, pedipalps, chelicerae

Nematoda
-round worms
-free-living & parasitic
-cuticle
-pseudocoelom
-complete digestive tract

Nematoda
-round worms
-free-living & parasitic
-cuticle
-pseudocoelom
-complete digestive tract

Cnidaria
-radial symmetry
-diploblasty

Cnidaria
-radial symmetry
-diploblasty

Medusozoa

Hydrozoa
-alternates between polyp & medusa

Hydrozoa
-alternates between polyp & medusa

Scyphozoa
-usually only medusa

Scyphozoa
-usually only medusa

Anthozoa
-usually only polyp

Anthozoa
-usually only polyp

Choanoflagellates

Choanoflagellates

Archaea
-Ether bonds in cell membranes (derived from esther bonds)

Archaea
-Ether bonds in cell membranes (derived from esther bonds)