Endosymbioses: cyclical and permanent in evolution.
Margulis
L
L
Dept of Geosciences, University of Massachusetts, Amherst 01003-5820, USA.
Chapman
M J
MJ
D000818:Animals; D005075:Biological Evolution; D002736:Chloroplasts / Q000502:physiology; D006790:Host-Parasite Interactions; D006801:Humans; D008928:Mitochondria / Q000502:physiology; D010944:Plants / Q000382:microbiology / Q000469:parasitology; D018087:Plastids / Q000502:physiology; D013559:Symbiosis / Q000502:physiology*