Which statement best explains an outcome of endosymbiosis?
A)It is responsible for mitochondria.
B)It formed the endoplasmic reticulum.
C)It caused algae to produce cell walls.
Answer: A
Which statement best explains an outcome of endosymbiosis?
A)It is responsible for mitochondria.
B)It formed the endoplasmic reticulum.
C)It caused algae to produce cell walls.
Answer: A