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Protists are some of the smallest form of life. Some are so insubstantial that they do not leave a trace in the fossil record, but about fifty percent of protists species are represented as microfossils. The oldest protist microfossils indicate that they were present on earth approximately 1.5 billion years ago.
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Which are the smallest protists?
The smallest protists are typically single-celled organisms known as picoplankton. These tiny protists can be as small as 0.2 micrometers in size, making them some of the smallest eukaryotic organisms on Earth.
How have the protists traditionally been classified?
Traditionally, protists have been classified into several groups based on characteristics such as their cellular structure, mode of nutrition, and locomotion. The main categories include protozoa (animal-like protists), algae (plant-like protists), and fungi-like protists. This classification has been largely morphological, relying on observable traits, but advances in molecular biology have led to revisions in understanding their evolutionary relationships. As a result, the classification of protists is now increasingly based on genetic and biochemical data.
Do protists have 1 or many cells?
yes protist do have only one cell it has been known for a very long time
Is cilia long and whip like strings that some Protists use to move?
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When was Mars first sighted?
No one knows, for as long as people have been on the earth it has been there in the sky.
How long has archaebacteria been on earth?
how long has archaebacteria been on earth? how long has archaebacteria been on earth?
What is 98 of the life on earth?
protists
How long have mice been on this earth?
they have been on the earth for along time
How do protists effect the earths heating and cooling system?
Protists affect the Earth's heating and cooling system through processes like photosynthesis and carbon sequestration. Photosynthetic protists, like algae, help cool the Earth by absorbing carbon dioxide and releasing oxygen. Additionally, some protists play a role in regulating nutrient cycles that influence the Earth's climate.
What is dinoflagallets?
Dinoflagellates are unicellular protists which exhibit a great diversity of form. Protists refer to the very first organisms on the Earth.
Why have protists been harder to study than other organisms?
Many protists do not leave fossils:)
Does all animal life on earth depend on plantlike protists?
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Which are the smallest protists?
The smallest protists are typically single-celled organisms known as picoplankton. These tiny protists can be as small as 0.2 micrometers in size, making them some of the smallest eukaryotic organisms on Earth.
How long have frogs been on the earth?
They have been on earth since 190 million years ago.
How long has light from other stars been traveling toward earth?
Well it depends on what you mean. The distance for how long it takes, or the time as in how long since Earth was made. Earth as you know has been here a long long time. Stars light has been shinning towards Earth eversince it was made. To see how long it takes for a stars light to reach Earth depends on how distant and huge the star is.
How long have winged insects been on earth?
long time
How long has the surface on earth been changing?
for as long as it has had continents
