- what is an example of gene transfer

when a trait is transferred to other organisms e.g photosynthesis firstly arrose by algae and then was passed around many times 


describes how eukaryotic cells developed organelles which are descended from prokaryotes

evidence for endosymbiosis:

mitochondria and chloroplasts contain their own; DNA, ribosomes and are sensitive to antibiotics 

eukaryotic nucleus caontains bacterial genes


single celled


eukaryotes that lack chlorophyll II

there are 4 groups based on motility 

1 = Amoebas 

they move by ameboid movement = leaping forward 

usually no structured cell wall but can have a shell comprised of calcium carbonate 

often asymptomatic…


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