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- The ancestors of land plants are believed to be related to certain groups of algae. These include123:
- Glaucophytes: An obscure group of unicellular algae.
- Red algae: Mostly marine species that appear red due to the pigment phycoerythrin.
- Green algae (Charophytes): The closest living relatives of land plants. They likely evolved from a branched, filamentous alga dwelling in shallow fresh water.
Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.The algae that are in a monophyletic group with land plants are the glaucophytes, an obscure group of unicellular algae; the red algae, mostly marine species that commonly appear red due to the presence of the pigment phycoerythrin; and the green algae, a paraphyletic group from which the land plants originated.www.digitalatlasofancientlife.org/learn/embryophyt…The closest living relatives of land plants are the charophytes, specifically Charales; assuming that the habit of the Charales has changed little since the divergence of lineages, this means that the land plants evolved from a branched, filamentous alga dwelling in shallow fresh water, perhaps at the edge of seasonally desiccating pools.en.wikipedia.org/wiki/Evolutionary_history_of_plantsThe charophytes (Streptophyta,Virideplantae) are the extant group of green algae that are most closely related to modern land plants. Approximately 450-500 million years ago, an ancestral charophyte emerged onto land and ultimately gave rise to terrestrial plants, an event of profound significance in the natural history of the planet.www.frontiersin.org/research-topics/4150/charophy… - People also ask
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See all on WikipediaEvolutionary history of plants - Wikipedia
The algal ancestors of land plants were almost certainly haplobiontic, being haploid for all their life cycles, with a unicellular zygote providing the 2N stage. All land plants (i.e. embryophytes) are diplobiontic – that is, both the haploid and diploid stages are multicellular. [ 1] See more
The evolution of plants has resulted in a wide range of complexity, from the earliest algal mats of unicellular archaeplastids evolved through endosymbiosis, through multicellular marine and freshwater green algae See more
All multicellular plants have a life cycle comprising two generations or phases. The gametophyte phase has a single set of chromosomes … See more
Arbuscular mycorrhizal symbiosis
There is no evidence that early land plants of the Silurian and early Devonian had roots, although fossil … See moreThe C4 metabolic pathway is a valuable recent evolutionary innovation in plants, involving a complex set of adaptive changes to See more
Land plants evolved from a group of freshwater green algae, perhaps as early as 850 mya, but algae-like plants might have evolved as early as 1 billion years ago. The closest living relatives of land plants are the charophytes, specifically Charales See more
Leaves
Leaves are the primary photosynthetic organs of a modern plant. The origin of leaves was almost certainly triggered by falling concentrations of atmospheric CO2 during the Devonian period, increasing the efficiency with … See moreTranscription factors and transcriptional regulatory networks play key roles in plant development and stress responses, as well as their evolution. During plant landing, many … See more
Wikipedia text under CC-BY-SA license Origin of Land Plants - Digital Atlas of Ancient Life
WEBOne theory that explains the origin of the sporophyte in land plants is known as the interpolation theory or the antithetic theory. In this theory, the origination of the …
8.1 Land Plant Ancestors – VCU BIOL 152: …
WEBLand plants are considered to have evolved from green algal ancestors with the Charophytes due to a number of shared features including photosynthetic pigments, cellular structures, and reproductive strategies.
29.1: Origin of Land Plants - Biology LibreTexts
WEBThe oldest fossils of land plants date back about 470 million years. The first land plants probably resembled modern plants called liverworts, like the one shown in Figure below.
The origin of a land flora | Nature Plants
WEBThe origin of a land flora fundamentally shifted the course of evolution of life on earth, facilitating terrestrialization of other eukaryotic lineages and altering the planet’s geology, …
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Land plants arose earlier than thought—and may have had a
WEBWhile the oldest known fossils of land plants are 420 million years old, researchers have now determined that pond scum first made landfall almost 100 million years earlier.
The origin and early evolution of plants on land | Nature
WEBThe origin and early evolution of land plants in the mid-Palaeozoic era, between about 480 and 360 million years ago, was an important event in the history of life, with...
The origin and early evolution of plants - ScienceDirect
WEBThe origin of the first photosynthetic eukaryotes through to the first land plants transformed the Earth's biosphere. There is no single unified view of the processes and timing of …
The Origin of Land Plants: A Phylogenomic Perspective - PMC
WEBThis has started that the origin of land plants is likely the ancestors of Zygnematales. It appears to be the single-nucleus “multicellular” lineage of green algae (rather than the …
The evolutionary emergence of land plants - ScienceDirect
WEBWe consider the evolution of anatomy, genes, genomes and of development within this phylogenetic context, concluding that many vascular plant (tracheophytes) novelties …
Land Plants | Organismal Biology - gatech.edu
WEBThe ancestor of all land plants was an aquatic, green algal-like species with a cell wall composed of cellulose. Living in the water provides a number of advantages compared to life on land:
The Closest Living Relatives of Land Plants | Science
WEBTo investigate the evolutionary origin of land plants and identify the closest living relatives of this group, we analyzed DNA sequence data from four genes representing three plant …
WEBThe nature of the immediate algal ancestors of plants and their role in the origin of the land-plant life cycle has been the substance of much debate for over a century.
How land plant life cycles first evolved | Science
WEBLand plants inherited their biochemistry and cell biology from ancestral green algae, but their fundamental organs and tissues evolved on land. Their closest algal relatives have …
From algae to land plants | Nature Plants
WEBAncestors of the Zygnematophyceae algae were the precursors of the first plants to grow on dry land. As genomes keep traces of evolutionary adaptations, comparative …
The evolution of the land plant life cycle - New Phytologist
WEBWe review the developmental, paleobotanical and molecular evidence indicating that: the embryophytes descended from a charophyte-like ancestor; this common ancestor had …
Ancestors of land plants revealed | ScienceDaily
WEBHowever, new research published in BioMed Central's open access journal BMC Evolutionary Biology shows that the closest relatives to land plants are actually …
Timeline of plant evolution - Wikipedia
WEBIt is widely believed that land plants evolved from a group of charophytes, most likely simple single-celled terrestrial algae similar to extant Klebsormidiophyceae.
Origin and early evolution of land plants - PMC - National Center …
WEBStarting from the assumption that bryophytes are the earliest and simplest land plants, and thus the ancestors of pteridophytes (and by that of all other tracheophytes), numerous …
Ancestors of land plants were wired to make the leap to shore
WEBWhen the algal ancestor of modern land plants made the transition from aquatic environments to an inhospitable shore 450 million years ago, it changed the world by …
Algal ancestor of land plants was preadapted for symbiosis - PNAS
WEBIdentifying the innovations that led to the colonization of land by plants has been a long-lasting effort in plant and evolutionary biology. It requires genomic and transcriptomic …
Ancestors of land plants were wired to make the leap to shore
WEBThe genetic pathways plants use to form a symbiosis with fungi were known in land plants called liverworts and hornworts, ancient lineages sister to all other land plant lineages.
Greenland fossil discovery stuns scientists and confirms that …
WEBThe story of Greenland keeps getting greener—and scarier. A new study provides the first direct evidence that the center—not just the edges—of Greenland's ice sheet melted …
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