BIO 200 LECTURE EXAM 1
QUESTIONS WITH CORRECT
ANSWERS
You are studying sea turtle shell color variation in one species of sea turtle. Which of
the following statements does NOT explain how the one of the three conditions for
natural selection is met for sea turtle shell color?
A. Shell color is a heritable trait.
B. Neither brown nor yellow shelled turtles can retract their heads into their shells.
C. Sharks, the main predator of sea turtles, can more easilt see brown sea turtles than
yellow-green sea turtles
D. The finelt serrated jaws of the yellow-green sea turtles allow them to access sea
grasses and algae more easily than brown sea turtles
E. Both yellow-green and brown sea turtles live in the same area of the Atlantic Ocean -
Correct Answers -B
You are working in Dr. Poulin's biology lab at the University at Buffaluckville where you
are replicating Mendel's monohybrid crosses. Using a new strain of pea plants with blue
(B) and orange (b) flowers, you find:
A. All the pea plant flowers in the F1 generation were orange
B. A ratio of 3 blue to 1 orange flowered peas in the F2 generation
C. A ratio of 3 orange to 1 blue flowered peas in the F2 generation
D. A 9:3:3:1 ratio of blue and orange pea flower colors in the F2 generation
E. A 1:2:1 ratio between blue and orange flowered peas in the F2 generation - Correct
Answers –B
Protoplanet - Correct Answers -A large body of matter in orbit around the sun or a star
and thought to be developing into a planet
Precambrian supereon - Correct Answers -The first life marks start or Archaean and first
multicellular life (late precambrian)
Paleozoic era - Correct Answers -Cambrian explosion, this era sees first land plants and
animals (amphibians), the Permian extinction; Before this point there was only aquatic
life
All of the following statements are true regarding meiosis EXCEPT:
QUESTIONS WITH CORRECT
ANSWERS
You are studying sea turtle shell color variation in one species of sea turtle. Which of
the following statements does NOT explain how the one of the three conditions for
natural selection is met for sea turtle shell color?
A. Shell color is a heritable trait.
B. Neither brown nor yellow shelled turtles can retract their heads into their shells.
C. Sharks, the main predator of sea turtles, can more easilt see brown sea turtles than
yellow-green sea turtles
D. The finelt serrated jaws of the yellow-green sea turtles allow them to access sea
grasses and algae more easily than brown sea turtles
E. Both yellow-green and brown sea turtles live in the same area of the Atlantic Ocean -
Correct Answers -B
You are working in Dr. Poulin's biology lab at the University at Buffaluckville where you
are replicating Mendel's monohybrid crosses. Using a new strain of pea plants with blue
(B) and orange (b) flowers, you find:
A. All the pea plant flowers in the F1 generation were orange
B. A ratio of 3 blue to 1 orange flowered peas in the F2 generation
C. A ratio of 3 orange to 1 blue flowered peas in the F2 generation
D. A 9:3:3:1 ratio of blue and orange pea flower colors in the F2 generation
E. A 1:2:1 ratio between blue and orange flowered peas in the F2 generation - Correct
Answers –B
Protoplanet - Correct Answers -A large body of matter in orbit around the sun or a star
and thought to be developing into a planet
Precambrian supereon - Correct Answers -The first life marks start or Archaean and first
multicellular life (late precambrian)
Paleozoic era - Correct Answers -Cambrian explosion, this era sees first land plants and
animals (amphibians), the Permian extinction; Before this point there was only aquatic
life
All of the following statements are true regarding meiosis EXCEPT:
