Compare What do complex organisms
have that makes them different from simple
organisms?

Simple Organism

some simple organisms are made of single cell. Others are made of many cells that are similar

Complex organisms

in complex organisms, cells are organized into tissues, which make up organs. Organs form organ systems.

Explanation: im not sure if its correct but i hope it helps

there are mainly three domains in biological classification namely; archaea, bacteria, and eukarya.

archaea includes all the prokaryotic cells which are characterized by their lipid membranes. they have branched hydrocarbon which is attached to glycerol through an ether linkage.

bacteria includes all the prokaryotic cells, the cell membrane of which are made up of the unbranched fatty acid chain. in addition, they are attached to glycerol through an ester bond.

eukarya includes all the eukaryotic cells, that is, the cells contain a nucleus and other membrane-bound cell organelles.

they can be autotrophic as well as heterotrophic, unicellular as well as multicellular

they include kingdoms like protista, plantae, animalia, fungi et cetera.

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