UF BSC 2011 QUESTIONS
AND ANSWER 2025
[Document subtitle]
[DATE]
[COMPANY NAME]
[Company address]
, 1. What is a clade?
Answer: A part of a phylogenetic tree that contains an ancestor and all
descendants of that ancestor.
2. What types of data can be used to build a phylogenetic tree?
Answer: Morphology (observable physical characteristics) and molecular
sequences (nucleotides, amino acids).
3. What is a synapomorphy?
Answer: Shared derived traits that provide evidence of a common ancestry of a
group.
4. Is a synapomorphy an ancestral or derived trait?
Answer: Derived.
5. What are the three domains of life?
Answer: Bacteria (prokaryotes), Archaea (prokaryotes), and Eukarya
(eukaryotes).
6. What is a photoautotroph?
Answer: An organism that uses light to generate ATP for the purpose of carbon
fixation.
7. How did the evolution of photosynthesis change the Earth?
Answer: It filled the environment with oxygen and created vast diversity within
the kingdom Eukarya.
8. What is lateral gene transfer?
Answer: When genes move from one species to another.
9. What is endosymbiosis?
Answer: When two organisms complement each other, and one of the organisms
lives within the other.
10. What organelles did eukaryotes acquire through endosymbiosis?
Answer: Mitochondria and chloroplasts.
11. Are all photosynthetic eukaryotes plants?
Answer: No.
12. What is the dominant form in the bryophyte life cycle?
Answer: Gametophyte.
13. Do bryophyte sporophytes and gametophytes live independently?
Answer: No, the sporophyte is dependent on the gametophyte.
AND ANSWER 2025
[Document subtitle]
[DATE]
[COMPANY NAME]
[Company address]
, 1. What is a clade?
Answer: A part of a phylogenetic tree that contains an ancestor and all
descendants of that ancestor.
2. What types of data can be used to build a phylogenetic tree?
Answer: Morphology (observable physical characteristics) and molecular
sequences (nucleotides, amino acids).
3. What is a synapomorphy?
Answer: Shared derived traits that provide evidence of a common ancestry of a
group.
4. Is a synapomorphy an ancestral or derived trait?
Answer: Derived.
5. What are the three domains of life?
Answer: Bacteria (prokaryotes), Archaea (prokaryotes), and Eukarya
(eukaryotes).
6. What is a photoautotroph?
Answer: An organism that uses light to generate ATP for the purpose of carbon
fixation.
7. How did the evolution of photosynthesis change the Earth?
Answer: It filled the environment with oxygen and created vast diversity within
the kingdom Eukarya.
8. What is lateral gene transfer?
Answer: When genes move from one species to another.
9. What is endosymbiosis?
Answer: When two organisms complement each other, and one of the organisms
lives within the other.
10. What organelles did eukaryotes acquire through endosymbiosis?
Answer: Mitochondria and chloroplasts.
11. Are all photosynthetic eukaryotes plants?
Answer: No.
12. What is the dominant form in the bryophyte life cycle?
Answer: Gametophyte.
13. Do bryophyte sporophytes and gametophytes live independently?
Answer: No, the sporophyte is dependent on the gametophyte.
