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Which of the three domains has the most ancient fossils?
According to Biologists, the large domain that includes the oldest known fossil cells is called bacteria within the prokaryotic microorganism.
What is the best evidence that all life evolved from prokaryotic rather than eukaryotic ancestors?
One strong piece of evidence is that prokaryotic organisms are simpler and have fewer complexities compared to eukaryotes. Additionally, fossil evidence indicates that prokaryotic organisms appeared much earlier in the Earth's history than eukaryotic organisms. Genetic analyses also suggest a closer relationship between prokaryotes and the common ancestor of all life.
The oldest vertebrate fossils are those of ------- with no jaws?
Agnatha, also known as jawless fish, are the oldest vertebrate fossils with no jaws. This group includes ancient species like the ostracoderms and the agnathan fish.
What kingdoms contain the oldest forms of life on earth?
Domain Bacteria contain the oldest known fossils of cells in bacterial cells.
When do the first eukaryotic cells show up in the fossil record?
The first eukaryotic cells appear in the fossil record around 2 billion years ago during the Proterozoic eon. The oldest known eukaryotic fossils are single-celled organisms called acritarchs. These early eukaryotes eventually gave rise to more complex multicellular life forms.
How old are the oldest prokaryotic fossils on earth?
The oldest known fossilized prokaryotes were laid down approximately 3.5 billion years ago, only about 1 billion years after the formation of the earth's crust.
Which of the three domains has the most ancient fossils?
According to Biologists, the large domain that includes the oldest known fossil cells is called bacteria within the prokaryotic microorganism.
When did the first fossils form?
The oldest known fossils are up to 3.5 billion years old.
What is the best evidence that all life evolved from prokaryotic rather than eukaryotic ancestors?
One strong piece of evidence is that prokaryotic organisms are simpler and have fewer complexities compared to eukaryotes. Additionally, fossil evidence indicates that prokaryotic organisms appeared much earlier in the Earth's history than eukaryotic organisms. Genetic analyses also suggest a closer relationship between prokaryotes and the common ancestor of all life.
Is coccidioides immitis prokaryotic or eukaryotic?
Coccidioides immitis is a eukaryotic organism. It is a fungus that causes coccidioidomycosis, also known as Valley fever. Eukaryotic organisms have a true nucleus and membrane-bound organelles.
Does eukaryotic cell have a smaller cell nucleus than an prokaryotic?
No, eukaryotic cells have a larger cell nucleus compared to prokaryotic cells. Eukaryotic cells have a well-defined nucleus that is enclosed by a nuclear membrane and contains genetic material organized into chromosomes, while prokaryotic cells have a nucleoid region where genetic material is not enclosed within a membrane.
The oldest vertebrate fossils are those of ------- with no jaws?
Agnatha, also known as jawless fish, are the oldest vertebrate fossils with no jaws. This group includes ancient species like the ostracoderms and the agnathan fish.
What is the differernce between prokaryotic and eukaryotic cells?
The most commonly identified difference is that eukaryotic cells are nucleated, prokaryotic cells are not.Most eukaryotic cells have only one nucleus, but some have more. Some species of a fungus called slime molds are known to have several thousand nuclei in one cell.However the more general difference is that eukaryotic cells contain organelles (e.g. mitochondria, chloroplasts, nucleus, endoplasmic reticulum, Golgi apparatus) and prokaryotic cells don't. These are believed to have originated as symbiotic microorganisms that entered the cells of the ancestors of early eukaryotes and took up permanent residence.
What kingdoms contain the oldest forms of life on earth?
Domain Bacteria contain the oldest known fossils of cells in bacterial cells.
When do the first eukaryotic cells show up in the fossil record?
The first eukaryotic cells appear in the fossil record around 2 billion years ago during the Proterozoic eon. The oldest known eukaryotic fossils are single-celled organisms called acritarchs. These early eukaryotes eventually gave rise to more complex multicellular life forms.
Are human nerve cell found in prokaryotic or eukaryotic cells?
Human nerve cells are eukaryotic cells, just like every other human cell.
Is cyanobacteria Eukaryotic or Prokaryotic?
Prokaryote
