Questions: the scientific term for a living thing is a(n) all living things are what is the simplest level at which life may exist? give an example of a multicellular organism and an example of a unicellular organism. what is the difference between unicellular and multicellular organisms? what surrounds a cell and separates it from its environment? all cells perform various jobs or are all cells alike?

The scientific term for a living thing is a(n) organism.

All living things are made up of one or more cells.

The simplest level at which life exists is cell.

Example of a multi-cellular organism is human beings.

Example of a unicellular organism is bacteria like E. coli.

Cell membrane surrounds a cell and separates it from its environment.

All cells perform various jobs or functions.

No, all cells are not alike but these cells share some basic similarities. For example: Neuron is very different from that of epithelial cell but they both have nucleus and other membrane bound organelles.

Differences between unicellular and multi-cellular organisms are as under:

1) Unicellular organisms are simpler than multi-cellular organisms. Multi-cellular organisms are complex.

2) In unicellular organisms a single cell performs all the functions required to sustain a life while in multi-cellular organisms a group of one type of cells perform only one function and other function is performed by another group of cells. These group of cells meant for a specialized function is known as tissue. Various tissues in combination form an organ. Various organs collectively form an organ system. These various grades of organization and specialized organs perform various functions and the co-ordinated work of all the organ systems sustain the life of a multi-cellular organism.

3) Unicellular organisms are less efficient than multi-cellular organisms.

4) Unicellular organisms may be prokaryotic or eukaryotic but multi-cellular organisms are always eukaryotic.

hey bro i looked it up on google the structure of the eye-spot in euglena viridie, e. ehrenbergii, and phacus pyriyorme is not as franzé haa described it. the so-called “crystal body” and “lens bodies” were not found in any of the individuals of the species examined by me. as earlier observers have stated, the eye-spot consists simply of a mass of pigment granules arranged in a single layer, and probably embedded in a protoplasmic framework, but the latter could not be seen, and its presence was only inferred from the fact that the pigment granules must be held together in some way, thd the eye-spot as a whole is capable of expansion, and that the pigment granules can be separated from each other.

hope this   and an i get brainlsiest

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