First Land Plants Flashcards
1
Q
Cyanobacteria
A
-first living organism to produce oxygen
-2.7 bya they appeared
-form microbial mats
2
Q
Green algae
A
-produce 70% of atmospheric oxygen
-0.7 bya
-originated from a primary endosymbiotic event
3
Q
Endosymbiotic theory
A
An early eukaryotic cell engulfed a bacteria by phagocytosis which caused it to survive and develop a symbiotic relationship
