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...n "to swell, be full"; the proper [[Latin]]ate form would be embryum) is a multicellular diploid eukaryote in its earliest stage of development, from the time of fi ...and some protists, the zygote will begin to divide by mitosis to produce a multicellular organism. The result of this [[process]] is an embryo.

...ily]] [[functions]].[1] In the germ plasm [[theory]], [[inheritance]] in a multicellular [[organism]] only takes place by means of the germ cells: the [https://en.w

...mical messenger that transports a signal from one [[cell]] to another. All multicellular organisms produce hormones; plant hormones are also called [https://en.wiki

'''Animals''' are a major group of multicellular, eukaryotic [[organisms]] of the kingdom Animalia or Metazoa. Their [[body] ...aryote eukaryotic] and mostly [https://en.wikipedia.org/wiki/Multicellular multicellular], which separates them from [[bacteria]] and most protists. They are [https

...h only a short distance for gases to flow across. In contrast, [[complex]] multicellular animals such as humans have a much greater distance between the environment

...unicellular (single-[[cell]]ed), but this is not [[universal]], since some multicellular [[organisms]] are microscopic, while some unicellular protists and bacteria

...[https://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli] and huge multicellular organisms like [https://en.wikipedia.org/wiki/Elephant elephants]. These st

Nervous systems are found in most multicellular [[animals]], but vary greatly in [[complexity]].[1] [https://en.wikipedia.o

:b : any of a kingdom (Plantae) of multicellular eukaryotic mostly [[Photosynthesis|photosynthetic]] [[organisms]] typically

...lular (consist of a single cell). Other organisms, such as [[humans]], are multicellular. (Humans have an estimated 100 trillion or 10 ¹⁴ cells; a typical cell s

...illions of cells grouped into specialized tissues and organs. The term ''[[multicellular]]'' (many-celled) describes any organism made up of more than one cell. In multicellular life the word "organism" usually describes the whole [[hierarchy|hierarchic

...ther to keep it living. Cells work together and [[communicate]] to produce multicellular [[organisms]]. Organisms form food chains and ecosystems. People form famil

59:1.4 Suddenly and without [[gradation]] [[ancestry]] the first multicellular animals make their [[appearance]]. The [https://en.wikipedia.org/wiki/Trilo

...ides by mitotic division and grows into a sporophyte that is diploid. The multicellular diploid sporophyte produces [[structure]]s called spore capsules, which are

...[[bone]]. Cells arise from other cells through [[cell division]], and in multicellular organisms, every cell in the organism's body is produced from a single cell ...ulation mechanisms. All living [[organism]]s, whether [[unicellular]] or [[multicellular]], exhibit homeostasis. Homeostasis exists at the cellular level, for examp

...of particular interest as it precedes the [[Cambrian explosion]] in which multicellular life forms began to proliferate about 530-540 million years ago.[https://ww ...Cells within colonies became increasingly specialized, resulting in true multicellular organisms. With the ozone layer absorbing harmful [[ultraviolet radiation]]

...eukaryotes, prokaryotes, and archaea until about a billion years ago when multicellular organisms began to appear in the oceans in the [[Ediacaran biota|Ediacaran] Soon after the emergence of these first multicellular organisms, a remarkable amount of biological diversity appeared over approx

...d [[eukaryotes]].[https://adsabs.harvard.edu/abs/1965JAtS...22..225B] True multicellular organisms formed as cells within colonies became increasingly specialized. ...f particular interest because it preceded the [[Cambrian explosion]], when multicellular life forms began to proliferate. The Proterozoic Biosphere: A Multidiscipli

...round [[hydrothermal vents]] in the deeper ocean. See [[Origin of life]].) Multicellular organisms then appeared and colonized [[benthic zones]]. Photosynthetic or

59:1.4 Suddenly and without [[gradation]] [[ancestry]] the first multicellular animals make their [[appearance]]. The [https://en.wikipedia.org/wiki/Trilo