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The endosymbiont theory proposes that organelles like mitochondria and chloroplasts were once free-living prokaryotic organisms that were engulfed by a host cell and developed a symbiotic relationship. This has implications for phylogeny as it suggests that certain organelles have a different evolutionary history than the rest of the cell, leading to the concept of lateral gene transfer and complicating the interpretation of evolutionary relationships based on traditional phylogenetic methods.
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What organelles are associated with ednosymbiont theory?
The endosymbiont theory is associated with mitochondria and chloroplasts. It proposes that these organelles originated from primitive prokaryotic cells that were engulfed by ancestral eukaryotic cells and formed a symbiotic relationship.
What implication does the endosymbiot theory have for phylogeny?
The endosymbiotic theory implies that certain organelles, such as mitochondria and chloroplasts, originated from free-living prokaryotes that were engulfed by ancestral eukaryotic cells. This suggests a more complex evolutionary history where horizontal gene transfer and symbiotic relationships played a significant role in the development of eukaryotic life. Consequently, phylogenetic trees must account for these unique evolutionary events, indicating that the relationships among organisms may not solely reflect vertical inheritance but also horizontal gene transfer and symbiosis. This reshapes our understanding of evolutionary lineage and the classification of organisms.
How are binomial nomenclature and phylogeny?
Binomial nomenclature and phylogeny both have to do with organisms. The former refers to the modern scientist's system for naming organisms. The latter is about how an organism evolved over time.
Organisms can now be grouped into categories that represent lines of?
phylogeny.
What is the name of branch of biology deals with extinct organisms?
phylogeny
What is endosymbiont theory?
An endosymbiont or endobiont is any organism that lives within the body or cells of another organism, i.e. forming an endosymbiosis
What is Phylogeny 2?
The theory and practice of classifying organisms.
How are mitochondria and chloroplasts manufactured in the cell?
Both of them are thought to have originated from primitive bacteria. This theory is called Endosymbiont theory.
What was the theory developed around the idea some eukaryotic organelles evolved from prokaryotic organisms?
endosymbiont
After ln margulis's endosymbiont theory met oppositon what new evidnece emerged in support of the theory?
main distinction between euayotes and prokaryotes
Where Might have Mitochondria originated from?
From early prokaryotes that lived symbiotically with eukaryotic cells Margules endosymbiont theory
What theory was developed around the idea that some eukaryote organelles evolved from prokaryotics organisms?
endosymbiont
Tue or false the endosymbiont theory suggests that eukaryotes evolved through a symbiotic relationship between prokaryotes?
true
Which organellos are associated with endosymbiont theory?
The organelles associated with the endosymbiont theory are mitochondria and chloroplasts. This theory posits that these organelles originated from free-living prokaryotic organisms that were engulfed by ancestral eukaryotic cells. Evidence supporting this includes their own circular DNA, double membranes, and similarities to bacteria. This symbiotic relationship is believed to have been beneficial, leading to the evolution of complex eukaryotic cells.
Who created the recapiculation theory?
" Ontogeny recapitulates phylogeny. " Ernst Haeckel. Now considered incorrect.
What is the endosymbiont theory?
The endosymbiont theory posits that certain organelles in eukaryotic cells, specifically mitochondria and chloroplasts, originated from free-living prokaryotic organisms that were engulfed by ancestral eukaryotic cells. This symbiotic relationship allowed the host cell to benefit from the energy-producing capabilities of these prokaryotes. Evidence supporting this theory includes the fact that mitochondria and chloroplasts have their own DNA, which is similar to bacterial DNA, and they replicate independently of the cell. Thus, the theory explains the evolutionary origin of complex cells.
What is an organism's evolutionary history called?
Phylogeny
