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Why are prokaryotes not monophyletic?
Prokaryotes are not monophyletic because they include both bacteria and archaea, which are two distinct groups with different evolutionary histories. These two groups do not share a common recent ancestor, making prokaryotes a paraphyletic group.
A human cell that does not have a nucleus?
A prokaryote cell doesn't have a true nucleus. See: http://wiki.biomine.skelleftea.se/wiki/index.php/Prokaryote_versus_eukaryote for an explanation of the differences between eukaryotes, cells with a true nucleus, and prokaryotes.
Why animal-like protists are not placed in the animal kingdom?
According to new system of classification as given by Whittaker 1969 unicellular animals are included in a seprated kingdom known as protista and or known as protozoans i.e. single cell. The animal kingdom consists of multicellular organisms. The multicellular organisms are called metazoans and their cells are capable of performing all the essential activities of life.
Is bacteria the same as a microbe?
They are merely definitions, with one of them encompassing the other. A microorganism or microbe is an organism that is microscopic (usually too small to be seen by the naked human eye). Microorganisms include bacteria, fungi, archaea, and protists; microscopic plants (called green algae); and animals such as plankton, the planarian and the amoeba.Therefore, it would be similar to asking is a Pine tree the same thing as a tree?
What organisms belongs to the kingdom Monera?
Bacteria and cyanobacteria belong to the kingdom Monera. Monera is a now outdated taxonomic group that included all prokaryotic organisms, which are single-celled organisms lacking a nucleus.
What is difference between eukaryotes and prokaryotes?
Prokaryotes do not have a nucleus included in their cells. Eukaryotes do have a nucleus included in their cells. And prokaryotes are more simple, it is the simplest, but eukaryotes are very complicated. And prokaryotes are single cells, but most of the eukaryotes make a big organism like plants and animals.Eukaryotes have membranes around their organalles
Why are prokaryotes not monophyletic?
Prokaryotes are not monophyletic because they include both bacteria and archaea, which are two distinct groups with different evolutionary histories. These two groups do not share a common recent ancestor, making prokaryotes a paraphyletic group.
What does archaezoa means?
Archaezoa is a proposed group of early branching single-celled organisms believed to be the most ancient eukaryotes, lacking mitochondria. They are thought to have characteristics that are similar to both prokaryotes and eukaryotes, making them a subject of interest in the study of early evolution.
What was the only one organism which is not included either in prokaryote or in eukaryote?
Viruses are considered to be the only organisms that are not classified as either prokaryotes or eukaryotes. Viruses are acellular entities that are not classified as living organisms because they cannot replicate on their own and require a host cell to do so.
How do protists differ from archaebacteria and eubacteria?
Sorry to be rude, but isn't that obvious? Archaebacteria and Eubacteria are both bacteria, just in a different form. Bacteria are not protists because they lack parts just to be a cell. They are alive but are not included in the Protista family because they lack a nucleus, lysosomes, and so on.
What domains of classification do prokaryotes include?
Unicellular prokaryotic organisms are actually broken up into the Bacteria and Archaea domains. The Bacteria domain has several shapes, and the Archaea domain generally resembles the bacteria domain.
The genetic material of which kind of cells is included in a single circular molecule of DNA devoid of any histone proteins?
You must have Dr. Gay, or they use standard tests! The only idea I have is BACTERIA because all eukaryotes have histones, so that would rule out plants and animals.
What does a Monera cell do?
Monera is an obsolete name for the taxonomic group that once included bacteria and archaea (prokaryotes). Now it is no longer used. The organisms that that term refers to are incredibly diverse, and the cells themselves grow and reproduce, as all cells do!
Why is cyanobacteria bacteria not algae?
At one time cyanobacteria were called blue-green algae and were included with the algae. However, like bacteria and unlike algae, cyanobacteria are prokaryotes, meaning that they do not have a nucleus. For this reason they were removed from the algae (which are eukaryotes) and put into the bacteria, with all the other prokaryotes. See: http://www.ucmp.berkeley.edu/bacteria/cyanomm.html http://fig.cox.miami.edu/Faculty/Dana/cyano.html
What is the definition of monera?
One of the 5 main kingdoms, includes bacteria and blue/green algae. Does NOT have a cell membrane, or in other words, is made of prokaryotic cells. Actually Monera encompasses eubacteria and archbacteria. And prokaryotes DO have a cell membrane. What they do not have is a membrane bound nucleaus.
A human cell that does not have a nucleus?
A prokaryote cell doesn't have a true nucleus. See: http://wiki.biomine.skelleftea.se/wiki/index.php/Prokaryote_versus_eukaryote for an explanation of the differences between eukaryotes, cells with a true nucleus, and prokaryotes.
What are the representatives of kingdom protista?
Protista consist mostly of unicellular eukaryotes. They are organisms that are not classified under Animal, Plant, Fungus, or Moneria kingdoms. These organisms can be autotrophs or heretotrophs. Included in this Kingdom are Amoeba, Euglena, & Paramecium. These single celled organisms are more complex than bacteria and live independently.
