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Protoctistia includes a diverse range of organisms with varying characteristics, making classification challenging. Some members exhibit traits found in multiple kingdoms, leading to debate over their placement. Additionally, advancements in molecular studies have revealed evolutionary relationships that differ from traditional classification based solely on observable characteristics.

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What is a group of organisms which has been reclassified?

A group of organisms that has been reclassified is the prokaryotic group Archaea. Previously considered a type of bacteria, they were reclassified as a separate domain due to genetic and biochemical differences.


Which systems have been used to classify biomes?

The two main systems used to classify biomes are the Holdridge Life Zones classification system, which consider climate, vegetation, and temperature data; and the Whittaker biome classification system, which categorizes biomes based on precipitation and temperature.


What best expresses the degree of success that has been attained in the cloning of humans?

Cloning of humans has not been achieved successfully. Ethical concerns and technical challenges have so far made it illegal and difficult to accomplish.


Classify enviornment on the basis of evolution into two catagories?

Environments can be classified into two main categories based on evolution: natural environments, which have not been significantly impacted by human activities and have evolved over long periods of time, and human-modified environments, which have been altered by human actions and interventions, leading to changes in the natural evolutionary processes.


Why is it hard to classify organisms?

Many organisms are very similar, especially at the species level when dealing with same family and genus. Because of this, and because of the sometimes unclear relationships and development periods of each, some organisms might be difficult to classify, e.g. whether they are merely subspecies, or are different species, or are actually from a different genus but same family.

Related Questions

Why would it have been difficult for Von Linnea to classify Euglena?

because eugleana is hard to classify


Why would euglena have been difficult to classify in Aristotle's time?

because Aristotle had a system to classify organisms on earth that only included plants and animals like human beings. The reason why euglena would have been hard was because it is capable of photosynthesis, which is natural for a plant type organism, but it was also capable of moving which was not something that plants would do but something humans or animals would do.


What was voted the best movie of all time?

There has never been a rating to classify movies on their qualities.


Was Emperor Hirohito an evildoer?

No. Emperor Hirohito tried to advance the cause and respect of his people. Furthermore, he did not have as much control over Japanese political affairs as did Tojo and his supporters. More importantly, it is very difficult to classify people as "Good" or "Evil" in a simplistic dichotomy. Could Hirohito have been better, probably. Could he have been worse, probably as well.


Why might attacks on the greek city-states have been difficult for the Persians?

it would be difficult beacause they didnt know how to swim


Why might westward expansion have been difficult for georgia?

The westward expansion may have been difficult for Georgia due to the terrain. There are mountains and swampland to the west of Georgia.


How do you get to be in mindless behaviors group?

You can't the group has already been formed . There was an audition to be in the group in 2008 .


How do you identify or classify flying organism?

They typically have wings. Unless they've been launched from a slingshot or catapult, in which case wings are optional.


What has been difficult in your job?

Waking up in the morning.


Many of the organisms living today have not been identified because they are?

small, cryptic, or live in hard-to-reach habitats. Additionally, some organisms may have unique adaptations or genetic variations that make them difficult to classify. The vastness and complexity of Earth's ecosystems also contribute to the challenge of identifying all organisms.


How has eastern been most affected by the use of a variety of languages?

it has made unification difficult but can u answer why its made it difficult


What is an azidoglycoside?

An azidoglycoside is a glycoside in which a hydroxyl group has been replaced by an azido group.