Which organisms represent the common ancestor of all photosynthetic plastids found in eukaryotes?
A)autotrophic euglenids
B)diatoms
C)dinoflagellates
D)red algae
E)cyanobacteria

Question

Quizplus · Accepted Answer

Cyanobacteria are believed to be the common ancestor of all photosynthetic plastids found in eukaryotes, including those found in red algae, green algae, and plants. This is supported by genetic and morphological evidence.

Which Organisms Represent the Common Ancestor of All Photosynthetic Plastids