#Question id: 4963
#SCPH28 | Zoology
Which free-living cells were the earliest contributors to the formation of Earthʹs oxidizing atmosphere?
#Question id: 4964
#SCPH06 I Botany
Which of the following statements provides the strongest evidence that prokaryotes evolved before eukaryotes?
#Question id: 4964
#SCPH28 | Zoology
Which of the following statements provides the strongest evidence that prokaryotes evolved before eukaryotes?
#Question id: 4965
#SCPH06 I Botany
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: 4965
#SCPH28 | Zoology
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: 4966
#SCPH06 I Botany
If it were possible to conduct sophisticated microscopic and chemical analyses of microfossils found in 3.2-billion-year-old stromatolites, then within such microfossils, one should be surprised to observe evidence of:
I. double-stranded DNA
II. a nuclear envelope
III. a nucleoid
IV. a nucleolus
V. nucleic acids