BIOL 211 EXAM #1 UNIT 1 IOWA
STATE QUESTIONS & VERIFIED
CORRECT ANSWERS
Stratigraphy - correct answer ✔✔"Relative dates" - younger or older, shows the order
Radiometric Dating (446-447) - correct answer ✔✔Absolute Dates, using radioactive materials
Carbon Dating - correct answer ✔✔dates fossils or artifacts using radiometric dating
10-100 million - correct answer ✔✔# of Extant species
Branch - correct answer ✔✔represents a population through time on a phylogenic tree
Node - correct answer ✔✔where a branch splits on a phylogenic tree
Root - correct answer ✔✔the most ancestral branch on a phylogenic tree
Taxon - correct answer ✔✔the species at the tip of a branch on a phylogenic tree
synapomorphy - correct answer ✔✔A shared, derived trait in a recent common ancestor. Allows
biologists to recognize monophyletic group, or lineage. (507)
Monophyletic Group - correct answer ✔✔An evolutionary unit that includes an ancestral
population and all of its decedents.(507)
, Homology - correct answer ✔✔similarity in organisms do to a common ancestor (508)
Homoplasy - correct answer ✔✔similarity in traits for reasons other than common ancestry (eg
convergent evolution) (508)
sediment - correct answer ✔✔where do fossils form? (512)
false - correct answer ✔✔true or false.
Fossilization is common. (512)
true - correct answer ✔✔true or false.
Life was unicellular for most of earths history. (515)
Binary fission - correct answer ✔✔how do prokaryotic cells divide?
Prokaryote - correct answer ✔✔Lacks a nucleus and DNA organized into chromosomes.
1.shpere
2.rods
3.comma shape
4.twisted/spiral - correct answer ✔✔What are the shapes of these prokaryotes?:
1.cocci
2.bacilli
3.vibrios
4.spiral
STATE QUESTIONS & VERIFIED
CORRECT ANSWERS
Stratigraphy - correct answer ✔✔"Relative dates" - younger or older, shows the order
Radiometric Dating (446-447) - correct answer ✔✔Absolute Dates, using radioactive materials
Carbon Dating - correct answer ✔✔dates fossils or artifacts using radiometric dating
10-100 million - correct answer ✔✔# of Extant species
Branch - correct answer ✔✔represents a population through time on a phylogenic tree
Node - correct answer ✔✔where a branch splits on a phylogenic tree
Root - correct answer ✔✔the most ancestral branch on a phylogenic tree
Taxon - correct answer ✔✔the species at the tip of a branch on a phylogenic tree
synapomorphy - correct answer ✔✔A shared, derived trait in a recent common ancestor. Allows
biologists to recognize monophyletic group, or lineage. (507)
Monophyletic Group - correct answer ✔✔An evolutionary unit that includes an ancestral
population and all of its decedents.(507)
, Homology - correct answer ✔✔similarity in organisms do to a common ancestor (508)
Homoplasy - correct answer ✔✔similarity in traits for reasons other than common ancestry (eg
convergent evolution) (508)
sediment - correct answer ✔✔where do fossils form? (512)
false - correct answer ✔✔true or false.
Fossilization is common. (512)
true - correct answer ✔✔true or false.
Life was unicellular for most of earths history. (515)
Binary fission - correct answer ✔✔how do prokaryotic cells divide?
Prokaryote - correct answer ✔✔Lacks a nucleus and DNA organized into chromosomes.
1.shpere
2.rods
3.comma shape
4.twisted/spiral - correct answer ✔✔What are the shapes of these prokaryotes?:
1.cocci
2.bacilli
3.vibrios
4.spiral
