The chloroplasts of land plants are thought to have been derived according to which evolutionary sequence?
A) cyanobacteria → green algae → land plants B) cyanobacteria → green algae → fungi → land plants C) red algae → brown algae → green algae → land plants D) cyanobacteria → red algae → green algae → land plants
Which of the following structures in chlorarachniophytes provides evidence that they evolved through the endosymbiosis of a green alga by a heterotrophic eukaryote?
A) food vacuole B) nucleomorph C) mitosomes D) flagella
Consider the following data: ∙ Most ancient eukaryotes are unicellular. ∙ All eukaryotes alive today have a nucleus and cytoskeleton. ∙ Most ancient eukaryotes lack a cell wall. Which of the following conclusions about the first eukaryotes is most consistent with the data presented?
A) They were very similar to a plant cell. B) They were anaerobic. C) They were capable of phagocytosis. D) They were photosynthetic.