Categorias: Todos - bacteria - dna - plants - eukarya

por Anahi Figueroa 4 anos atrás

227

seed plants

The text outlines the evolutionary journey of life from a universal ancestor, tracing the development of key biological domains and specific lineages. It begins with the fundamental role of DNA as genetic storage and the structural importance of ester bonds in cell membranes.

seed plants

Universal Ancestor * DNA as Genetic Storage * Ester Bonds in Cell Membranes

Common Ancestor of Archaea and Eukarya * Histones Present

Eukarya * Presence of Membrane-Bound Nucleus * Presence of Membrane-Bound Organelles
Unikonta

Opisthokonta * Single posterior flagellum on swimming cells

American Black Bear (Ursus americanus)

Amebozoa * Movement with pseudopodia

Slime molds

SAR clade

Rhizaria * Filose pseudopodia

Foraminiferas

Radiolarians

Common Ancestor of Stramenopila and Alveolata * Secondary plastids

Alveolata * Membranous vesicles on cell membrane

Dinoflagellate

Stramenopila *Tripartite flagellar hair

Diatoms

Giant Kelp (Macrocystis pyrifera)

Excavata * Feeding groove * Secondary plastid

Euglenoids

Archaeplastida * Primary plastid

Common Ancestor of Chlorophytes, Charophytes and Land Plants

Common Ancestor of Charophytes and Land Plants

Land Plants *Sporic life cycle *Embryos *Apical meristems *Gametangia *Sporangia *Desiccation-Resistant spores

Subtopic

Common Ancestor of Seedless Vascular Plants *Lignin *Xylem and phloem *Leaves *Dominant sporophyte generation *Thick waxy cuticle *Stomata

Common Ancestor of Monilophytes, Gymnosperms, and Angiosperms *Megaphylls

Southern Magnolia (Magnolia grandiflora)

Seed Plants common ancestor: *Seeds *Pollen *Ovules *Wood *Heterospory

Angiosperms *Ovaries *Fruits *Flowers *Endosperm

White Water Lili (Nymphaea alba)

Southern Magnolia (Magnolia grandiflora)

Gymnosperms *Fruit *Flowers

Scots Pine (Pinus sylvestris)

Bald Cypress (Taxodium distichum)

Monilophytes

Eastern Marsh Fern (Thelypteris plaustris)

Lycophytes

Fan clubmoss (Diphasiastrum digtatum)

Hornworts

Field Hornworrt (Anthoceros agresstis)

Mosses

Field Hornwort (Anthoceros agrestis)

Liverworts

Common liverwort (Marchantia Polymorpha)

Charophytes

Braun's Stonewort (Chara Braunii)

Chlorophytes

Rhodophytes

Archaea * Ether Bonds in Cell Membranes
Methanobrevibacter smithii

Bacteria * Presence of Peptidoglycan in Cell Wall

Escherichia coli