Catégories : Tous - bacteria - ancestor - eukarya - archaea

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Updated Tree

The text outlines the evolutionary relationships and key characteristics of various life forms, focusing on their common ancestors and unique features. It highlights different domains such as Eukarya, Archaea, and Bacteria, mentioning the presence of DNA, histones, and peptidoglycan.

Updated Tree

Universal Ancestor - Ester Linkages - DNA Presence

Common Ancestor of Eukarya and Archaea - Histones Present - Methionine - Multiple RNA polymerase with 8 or more polypeptides

American Black Bear (Ursus americanus) Eukarya - Organelles - Nucleus
Common Ancestor of Uniktona and Amoeba

Slime Mold Unikonta

Common Ancestor of Animals and Fungi - Multicellularity - Absorptive Heterotrophy

Nucleariid (Nuclearia thermophila)

Fungi - Chitin Cell Wall - Zygotic life cycle

Fly Agaric (Amanita muscaria)

- Multicellularity

Choanoflagellates (Desmarella moniliformis)

Animals - Gametic life cycle

American Black Bear (Ursus americanus)

Ecdysozoa

Lophotrochozoa

Deuterostomia

Protostomia

Bilateria

Cnidaria

Eumetoza

Porifera

Amoeba Amoebozoa - Pseudopodia

Euglenoids Excavata - Feeding groove - Secondary plastids
Radiolarians SAR Clade

Common ancestor of Stramenopila and Alveolata - Secondary plastids

Dinoflagelletes Alveolata - Membranous vesicles on cell membrane

Diatoms Stramenopila - Tripartite flagellar hair

Foraminifera Rhizaria - Filose pseudopodia

Chlorophytes Archaeplastida - Plastids

Common Ancestor - Sporic Life Cycle - Embryo - Desiccation-resistant spores - Apical Meristems - Gametangia - Sporangia

Common Ancestor

Common Ancestor - Lignin - Xylem / Phloem - Sporophyte (dominant generation) - Thick Waxy Cuticle - Stomata

Common Ancestor - Ovules - Pollen - Seeds - Heterospory - Wood

Angiosperms - Fruit - Endosperm - Ovaries - Flowers

White Water Lily (Nymphaea alba)

Southern Magnolia (Magnolia grandiflora)

Gymnosperms

Bald Cypress (Taxodium distichum)

Scots Pine (Pinus sylvestris)

Eastern Marsh Fern (Thelypteris palustris) Monilophytes - Megaphylls Leaves

Fan Clubmoss (Diphasiastrum digitatum) Lycophytes - Lycophyll Leaves

Field Hornwort (Anthoceros agrestis) Hornworts

Woolly Feather Moss (Tomentypnum nitens) Mosses

Common Liverwort (Marchantia polymorpha) Liverworts

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

Methanobrevibacter smithii Archaea -Ether linkages

E. Coli Bacteria - Peptidoglycan