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UF BSC 2011 Exam 1 Review Questions, Exam 1
BSC2011 UF 2019, UF BSC2011: Exam 1 Questions and
Correct Answers/ Latest Update / Already Graded
Clade
Ans: part of a phylogenic tree that contains an ancestor and all descendants of
that ancestor
Data that can be used to build a phylogenic tree
Ans: Morphology (observable physical characteristics) and molecular sequences
(nucleotides, amino acids)
Synapamorphy
Ans: shared derived traits that provide evidence of a common ancestry of a
group
Synapamorphy ancestral or derived trait?
Ans: Derived
Three domains of life
Ans: Bacteria (prokaryotes), Archaea (prokaryotes), Eukarya (eukaryotes)
Photoautotroph
Ans: Organism that use light to generate ATP for the purpose of carbon
fixation
How did evolution of photosynthesis change the earth?
© 2025/ 2026 | ® All rights reserved
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Ans: Filled environment with oxygen. Created vast diversity within the kingdom
Eukarya.
Lateral transfer
Ans: When genes move from one species to another
Endosymbiosis
Ans: When two organisms compliment each other and one of the two
organisms lives within the other
What organelles did eukaryotes acquire in endosymbiosis?
Ans: Mitochondria, chloroplasts
Are all photosynthetic eukaryotes plants?
Ans: NO!!
Dominant form in bryophyte life cycle
Ans: Gametophyte
Do bryophyte sporophyte and gametophyte live independently?
Ans: No, sporophyte is dependent on gametophyte
Red algae vs. Green plants
Ans: Red algae chlorophyll A only, green algae chlorophyll A and B. Red algae
varies from single celled organisms to complex multicellular organisms.
Streptophyte Synapamorphies
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Ans: retention of egg in parental organisms, apical growth, oogamy,
plasmodesmata
Plasmodesmata
Ans: small holes/ channels that make water transport much easier
Parenchyma
Ans: Basic tissue type in the streptophytes with cells linked by plasmodesmata
Land plant synapamorphies
Ans: cuticle, stomata, gametangia, embryo, pigments, sporopollenin,
mycorrhizae
Cuticle
Ans: a waxy coating that protects from water loss, disease, sun and organisms
who are predators
Stomata
Ans: small openings that allow for gas exchange in air while minimizing water
loss
Sporopollenin
Ans: protective coating for spores
Mycorrhizae plants
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Ans: Plants that have mutually beneficial association with fungi, fungi attach to
plant roots and increase surface area of roots allowing for more water to be
taken up throught the plant
Groups of plants within the bryophytes
Ans: liverworts, horntails and mosses
Are bryophytes a clade?
Ans: NO!
Primary characteristics of bryophytes
Ans: no vascular system, very small, no structure to keep them off the ground,
no structure to transfer food and water through the plant
Why do bryophytes tend to live in moist habitats?
Ans: bryophytes move nutrients through diffusion and osmosis so they have to
be near water to survive
Dominant form in the bryophyte life cycle
Ans: Gametophyte
Can bryophyte sporophytes and gametophytes live indepedently?
Ans: No. Sporophyte is physiologically dependent on the gametophyte.
Where are bryophyte gametes produced?
Ans: Archegonium (female sex organ) and antheridium (male sex organ)
© 2025/ 2026 | ® All rights reserved
UF BSC 2011 Exam 1 Review Questions, Exam 1
BSC2011 UF 2019, UF BSC2011: Exam 1 Questions and
Correct Answers/ Latest Update / Already Graded
Clade
Ans: part of a phylogenic tree that contains an ancestor and all descendants of
that ancestor
Data that can be used to build a phylogenic tree
Ans: Morphology (observable physical characteristics) and molecular sequences
(nucleotides, amino acids)
Synapamorphy
Ans: shared derived traits that provide evidence of a common ancestry of a
group
Synapamorphy ancestral or derived trait?
Ans: Derived
Three domains of life
Ans: Bacteria (prokaryotes), Archaea (prokaryotes), Eukarya (eukaryotes)
Photoautotroph
Ans: Organism that use light to generate ATP for the purpose of carbon
fixation
How did evolution of photosynthesis change the earth?
© 2025/ 2026 | ® All rights reserved
, 2 | Page
Ans: Filled environment with oxygen. Created vast diversity within the kingdom
Eukarya.
Lateral transfer
Ans: When genes move from one species to another
Endosymbiosis
Ans: When two organisms compliment each other and one of the two
organisms lives within the other
What organelles did eukaryotes acquire in endosymbiosis?
Ans: Mitochondria, chloroplasts
Are all photosynthetic eukaryotes plants?
Ans: NO!!
Dominant form in bryophyte life cycle
Ans: Gametophyte
Do bryophyte sporophyte and gametophyte live independently?
Ans: No, sporophyte is dependent on gametophyte
Red algae vs. Green plants
Ans: Red algae chlorophyll A only, green algae chlorophyll A and B. Red algae
varies from single celled organisms to complex multicellular organisms.
Streptophyte Synapamorphies
© 2025/ 2026 | ® All rights reserved
, 3 | Page
Ans: retention of egg in parental organisms, apical growth, oogamy,
plasmodesmata
Plasmodesmata
Ans: small holes/ channels that make water transport much easier
Parenchyma
Ans: Basic tissue type in the streptophytes with cells linked by plasmodesmata
Land plant synapamorphies
Ans: cuticle, stomata, gametangia, embryo, pigments, sporopollenin,
mycorrhizae
Cuticle
Ans: a waxy coating that protects from water loss, disease, sun and organisms
who are predators
Stomata
Ans: small openings that allow for gas exchange in air while minimizing water
loss
Sporopollenin
Ans: protective coating for spores
Mycorrhizae plants
© 2025/ 2026 | ® All rights reserved
, 4 | Page
Ans: Plants that have mutually beneficial association with fungi, fungi attach to
plant roots and increase surface area of roots allowing for more water to be
taken up throught the plant
Groups of plants within the bryophytes
Ans: liverworts, horntails and mosses
Are bryophytes a clade?
Ans: NO!
Primary characteristics of bryophytes
Ans: no vascular system, very small, no structure to keep them off the ground,
no structure to transfer food and water through the plant
Why do bryophytes tend to live in moist habitats?
Ans: bryophytes move nutrients through diffusion and osmosis so they have to
be near water to survive
Dominant form in the bryophyte life cycle
Ans: Gametophyte
Can bryophyte sporophytes and gametophytes live indepedently?
Ans: No. Sporophyte is physiologically dependent on the gametophyte.
Where are bryophyte gametes produced?
Ans: Archegonium (female sex organ) and antheridium (male sex organ)
© 2025/ 2026 | ® All rights reserved
