Write two differences between the unicellular and multicellular organisms.

unicellular organisms only have 1 cell.these are simple lifeforms. all functions of a living organism takes place within that one cell, because of this it has no ducts or tubes, it has no organs and thus has no organ system (eg:-circulatory system)

Example of unicellular organisms :- amoeba

Multicellular organisms are made up of more than one cell. these are complex organisms. there are exchange of nutrients and gases among different cells by different processes. they have organs and organ systems.

Example of multicellular organism :- Cat

Explanation:

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desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.

the answer is: metamorphic rocks often show the presence of fossils, also a

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