#Question id: 11504
#Section 2: Evolution
Which organisms represent the common ancestor of all photosynthetic plastids found in eukaryotes?
#Question id: 11505
#Section 2: Evolution
An individual mixotroph loses its plastids, yet continues to survive. Which of the following most likely accounts for its continued survival?
#Question id: 11506
#Section 2: Evolution
A biologist discovers a new unicellullar organism that possesses more than two flagella and two small, but equal-sized, nuclei. The organism has reduced
mitochondria (mitosomes), no chloroplasts, and is anaerobic. To which clade does this organism probably belong?
#Question id: 9050
#Section 2: Evolution
If an ecologist were studying the regional interactions among multiple populations of different species and how they influence the exchange of materials between their various environments, then this would be an example of which kind of research?
#Question id: 9051
#Section 2: Evolution
What would happen to the seasons if Earth were tilted 35 degrees off its orbital plane instead of the usual 23.5 degrees?
#Question id: 9052
#Section 2: Evolution
Which of the following causes seasons on Earth?