Who said all living things are composed of cells?
multipleQAs
Who said all living things are composed of cells, credited with the cell theory? Who said all living things are composed of cells, contributing to the cell theory?
Matthias Jakob Schleiden Matthias Schleiden Schwann Theodor Schwann Matthias Schleiden and Theodor Schwann Schleiden
Virchow Rudolf Ludwig Carl Virchow Rudolf Virchow
Cell theory
said all living things are composed of cells
Cell theory Life Organism Cell (biology) Theodor Schwann Non-cellular life Glossary of biology Biology Eukaryote Living systems
In biology, <b>cell</b> theory is the historic scientific theory, now universally accepted, 
that <b>living organisms are made</b> up of <b>cells</b>, that they are the basic structural/
organizational unit of <b>all</b> organisms, and that <b>all cells</b> come from pre-existing <b>cells</b>
. <b>Cells</b> are the basic unit of structure in <b>all</b> organisms and also the basic unit of ... 
He claimed this theory as his own, though Barthelemy Dumortier had <b>stated</b> it&nbsp;... Life is a characteristic that distinguishes physical entities that have biological 
processes, such ... <b>Other</b> definitions sometimes include non-<b>cellular</b> life forms 
such as viruses ... One systemic definition of life is that <b>living things</b> are self-
organizing and ... In 1785, he <b>stated</b> that the Earth was a superorganism and that 
its proper&nbsp;... In biology, an <b>organism</b> (from Greek: ὀργανισμός, organismos) is any individual 
entity that ... Many definitions exclude viruses and possible man-<b>made</b> non-
organic life ... For example, <b>every living cell</b> makes use of nucleic acids as its 
genetic&nbsp;... The <b>cell</b> is the basic structural, functional, and biological unit of <b>all</b> known 
organisms. A <b>cell</b> is ... Schleiden and Theodor Schwann, states that <b>all organisms</b> 
<b>are composed</b> of one or more <b>cells</b>, that <b>cells</b> are the fundamental unit of structure 
and function in <b>all living organisms</b>, and that <b>all cells</b> come from pre-existing <b>cells</b>. Theodor Schwann was a German physician and physiologist. His most significant 
contribution to biology is considered to be the extension of <b>cell</b> theory to animals. 
<b>Other</b> contributions include the discovery of Schwann <b>cells</b> in the peripheral ... In 
it Schwann declared that &quot;<b>All living things are composed of cells</b> and <b>cell</b>&nbsp;... Non-<b>cellular</b> life, or acellular life is life that exists without a <b>cellular</b> structure for at 
least part of its life cycle. Historically, most (descriptive) definitions of life 
postulated that a <b>living organism</b> must be <b>composed</b> of one or more <b>cells</b>, ... 
Meanwhile, <b>other</b> phylogenetic analyses have argued that giant viruses are 
merely highly&nbsp;... This glossary of biology terms is a list of definitions of fundamental terms and 
concepts used in ... a new <b>cell</b> wall that enables <b>cell</b> division. <b>cell</b> theory: The 
theory that <b>all living things are made</b> up of <b>cells</b>. <b>cell</b> ... Popularly (though 
simplistically) <b>stated</b> as &quot;DNA makes RNA and RNA makes protein&quot;, the principle 
attempts to&nbsp;... Biology is the natural science that studies life and <b>living organisms</b>, including 
their physical ... <b>Cell</b> theory states that the <b>cell</b> is the fundamental unit of life, that 
<b>all living things are composed</b> of one or more <b>cells</b>, and that <b>all cells</b> arise from 
pre-existing <b>cells</b> through <b>cell</b> division. In multicellular organisms, <b>every cell</b> in the
&nbsp;... Eukaryotes are organisms whose <b>cells</b> have a nucleus enclosed within 
membranes, unlike ... Eukaryotes represent a tiny minority of <b>all living things</b>. ... 
Microfilamental structures <b>composed</b> of actin and actin binding proteins, e.g., α-
actinin, fimbrin, ... As Roger &amp; Simpson <b>said</b> in 2009 &quot;with the current pace of 
change in our&nbsp;... <b>Living</b> systems are open self-organizing life forms that interact with their 
environment. ... <b>Living</b> systems theory is a general theory about the existence of 
<b>all living</b> ... Miller <b>said</b> that systems exist at eight &quot;nested&quot; hierarchical levels: <b>cell</b>, 
organ, ... Examples: <b>Cells</b> and organs of a <b>living</b> system thrive on the food the 
<b>organism</b>&nbsp;...
Matthias Schleiden Theodor Schwann
Cell theory