Archaea belong to prokaryotic organisms, not eukaryotic. They are the earliest prokaryotic organisms.
Priyanka Sharma said:
(Jan 15, 2013)
Archaea is prokaryotic and not eukaryotic.
Naveen said:
(Apr 1, 2014)
It is also considered as eukaryotic because it is origin for eukaryotic.
Haroon James said:
(Aug 12, 2014)
Prokaryotic cells are classified into two domains.
1. Archaea.
2. Eubacteria.
The Archaea have unique characteristics but share its features with Eubacteria & with 3rd domain, Eukarya, too.
That's why Archaea is considered to be the oldest eukaryotic organisms.
Priti said:
(Sep 15, 2014)
Fungi comes under both Eukaryote and Prokaryote. In fact Fungi is organism first detected in nature.
Ashafque Ahmed said:
(Oct 27, 2014)
Archaea is third domain, but related both to both both Eukaryote and Prokaryote.
R.V.Ramchandar said:
(Jan 12, 2015)
Archaea are prokaryotes. However Archaea have characteristics of both prokaryotic and eukaryotic characters. Hence it seems to be the oldest eukaryotes or forerunners of eukaryotes.
Debbie said:
(Jan 29, 2015)
Why it is the oldest Eukaryote? Archaea is a Prokaryotic along with bacteria. Eukaryotes are FUNGI/ANIMALS.
Lizy said:
(May 1, 2015)
Since Archaea belong to kingdom of single microorganism, with no cell nucleus, their are considered to be the oldest prokaryotic organisms not eukaryotes.
Rajesh Kumar said:
(Jun 8, 2015)
Grypania spiralis, multi cellular algae was the oldest eukaryote.
Selamsew said:
(Feb 8, 2016)
Guys what is the difference between archaea & bacteria?
Diksha Singla said:
(Jun 17, 2016)
In archaea, an absence of nuclear membrane temperature. It is the unique feature that distinguishes them from bacteria.
Vikash Singh said:
(Sep 7, 2016)
Archaea have some character related to eukaryotic but it can't be considered under eukaryotic organisms.
Vikash Singh said:
(Sep 7, 2016)
Archaea have some character related to eukaryotic but it can't be considered under eukaryotic organisms.
Ketaki Shinde said:
(Jun 25, 2018)
Diplomonads are the oldest Eukaryotic organism.
They are parasites in humans.
Apart from this Protists, fungi and animals are also Eukaryotic.
Khush Sharma said:
(Sep 21, 2018)
At the pre-historic time, there were meteor showers and other natural disasters.
Archaea bacterias are the only to have been survived in that climate as Carl Woese differentiated it in his 7 kingdom classification.
So they can be the first one.
Nishtha said:
(May 7, 2019)
Archae is a prokaryote not a eukaryote. In the question, it was asked about the bacteria which was bacteria which resembles archae.
Adeola said:
(Jul 14, 2020)
The answer is A : diplomonads like Giardia.
Giardia lamblia is a binucleated, flagellated protozoan parasite that inhabits the upper small intestine of its vertebrate hosts. The entire life cycle, which can be completed in vitro, is simple with cycling between a vegetative trophozoite and a highly resistant cystic form. The parasite is one of the earliest diverging eukaryotes known and more than 95% of the genome is sequenced. This makes Giardia an excellent model system for studies of basic eukaryotic processes like cell differentiation.
Kadari Poojitha said:
(Aug 29, 2020)
Archaea belongs to prokaryotic not eukaryotic.
Debra Castillo said:
(Jan 19, 2021)
The oldest eukaryotic is diplomonads.
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