The Living World 8th Edition by George Johnson

تمرين 2

It is thought that the mitochondria and chloroplasts of eukaryotic cells came from
A) the development of the internal membrane system.
B) protists.
C) mutation.
D) endosymbiosis of bacteria.
Corals are able to photosynthesize because
A) they possess endosymbiont chloroplasts.
B) they manufacture chlorophyll in sunlight.
C) they possess symbiotic zooxanthelle.
D) they are a type of plant.