The Theory of Endosymbiosis Is Based on

Multiple Choice

The theory of endosymbiosis is based on

A) the observations that chloroplasts and mitochondria resemble bacteria.
B) the experiments in which bacteria were made to grow in plant cells forming chloroplasts.
C) similarities between chloroplasts and other organelles in animals.
D) evidence from the fossil record.
E) the knowledge that ribosomes are structures found in bacteria, plants, and animals.