#Question id: 4963
#Unit 11. Evolution and Behavior
Which free-living cells were the earliest contributors to the formation of Earthʹs oxidizing atmosphere?
#Question id: 4964
#Unit 11. Evolution and Behavior
Which of the following statements provides the strongest evidence that prokaryotes evolved before eukaryotes?
#Question id: 4965
#Unit 11. Evolution and Behavior
What is thought to be the correct sequence of these events, from earliest to most recent, in the evolution of life on Earth?
1. origin of mitochondria
2. origin of multicellular eukaryotes
3. origin of chloroplasts
4. origin of cyanobacteria
5. origin of fungal-plant symbioses
#Question id: 4967
#Unit 11. Evolution and Behavior
Recent evidence indicates that the first major diversification of multicellular eukaryotes may have coincided in time with the
#Question id: 4968
#Unit 11. Evolution and Behavior
Which of these observations fails to support the endosymbiotic theory for the origin of eukaryotic cells?
#Question id: 4970
#Unit 11. Evolution and Behavior
If two continental land masses converge and are united, then the collision should cause