-
designations have
practical meaning.
Current knowledge on
genetic diversity in
archaeans is fragmentary, so the
total number of
species cannot be
estimated with...
- The
Archean Eon (IPA: /ɑːrˈkiːən/ ar-KEE-ən, also
spelled Archaean or
Archæan), in
older sources sometimes called the Archaeozoic, is the
second of the...
-
Archaean may
refer to:
Archaean or Archean, a
geologic eon
between Hadean and
Proterozoic Something related to Archaea, a
domain of single-celled microorganisms...
- most
closely related to one
group of
archaeans and
evolved from them,
rather than
forming a
clade with all
archaeans, and that
archaea and
bacteria are...
- of the Earth's history. The
Pilbara Craton is one of only two
pristine Archaean 3.6–2.7 Ga (billion
years ago)
crusts identified on the Earth.
Having been...
- border,
which consist largely of
tightly folded and
highly metamorphosed Archaean rocks."
Fisher 2018, p. 83, " East of the
lower Indus lay the inhospitable...
- A
shield is a
large area of
exposed Precambrian crystalline igneous and high-grade
metamorphic rocks that form
tectonically stable areas.
These rocks are...
-
theory is they were
created by
symbiogenesis between an
anaerobic Asgard archaean and an
aerobic proteobacterium,
which formed the mitochondria. A second...
- with
biochemistry and RNA
markers that are
distinct from bacteria. The
Archaeans possess unique,
ancient evolutionary history for
which they are considered...
- more
recent works geologists often refer to both Ur and
other proposed Archaean continental ****emblages as supercratons. Ur can, nevertheless, be half...
