WGU C190 BIOLOGY FINAL BANK 2026
TESTED QUESTIONS GRADED A+
⩥ MALE PEACOCKS COMPETE WITH ONE ANOTHER TO MATE
FEMALE PEACOCKS. MALES WITH MORE COLORFUL TAIL
FEATHERS ATTRACT FEMALE MATES AT A HIGHER RATE
THAN THOSE W/O. THEREFORE MALE PEACOCKS HAVE
COLORFUL TAIL FEATHERS, WHEREAS FEMALE PEACOCKS
DO NOT. WHAT IS THIS AN EXAMPLE OF?
Answer: SEXUAL SELECTION
⩥ A GARDENER MAINTAINS A SPECIES OF ROSE THAT
PRODUCD EITHER YELLO FLOWERS ( THE DOMINANT
PHENOTYPE) OR WHITE FLOWERS ( THE RECESSIVE
PHENOTYPE). ONE DAY, THE GARDENER OBSERVES THAT A
CROSS BETWEEN TWO YELLOW ROSE BUSHES HAS LED TO A
SINGLE ROSE BUSH WITH ORANGE FLOWERS. WHAT
EVOLUTIONARY MECHANISM IS INVOLVED IN THE CHANGE
IN THE GENE POOL OF THIS SPECIES?
Answer: MUTATION
⩥ SOME CELLS NEED TO MAINTAIN A SET OF
CENCENTRATIONS OF Na+ AND K+ IONS. THESE CELLS ARE
ABLE TO DO THIS WITH THE HELP OF THE Na/K PUMP, WHICH
TRANSPORTS THESE IONS FROM AREAS OF LOW
CONCENTRATION TO AREAS OF HIGH CONCETRATION (
,AGAINST THEIR CONCENTRATION GRADIENT). Na+ IS
PUMPED OUT AND K+ IS PUMPED IN. WHICH TYPE OF
MEMBRANE TRANSPORT IS INVOLVED IN THIS ACTION?
Answer: ACTIVE TRANSPORT
⩥ CHROMOSOMES ARE STRUCTURES THAT CONTAIN
HEREDITARY MATEIRAL THAT WILL BE PASSED FROM ONE
GENERATION TO THE NEXT. ACCORDING TO THIS
INFORMATION, WHICH ORGANIC MOLECULE MUST BE
PRESENT IN CHROMOSOMES?
Answer: DNA
⩥ A CELL HAS DIVIDED ITS CHROMOSOMES INTO WO NEW
NUCLEI. THE CYTOSKELETON OF THE CELL IS CURRENTLY
PINCHING THE CELL IN THE MIDDEL TO FROM TWO NEW
CELLS. IN WHICH STAGE OF THE CELL CYCLE IS THIS CELL?
Answer: CYTOKENESIS
⩥ THERE ARE FOUR SPECIES OF WOODPECKERS THAT
INHABIT THE PINE FORESTS IN THE SOUTHEASTERN AREA OF
THE U.S. INDIVIDUALS OF THIS SPECIES UTILIZE MANY OF
THE SAME RESOURCES FOR FOOD AND NESTING. WHICH
LEVEL OF ECOLOGICAL ORGANIZATION DESCRIBES THE
RELATIONSHIP AMONG THESE FOUR SPECIES OF
WOODEPECKER?
Answer: COMMUNITY
, ⩥ TWO SPECIES OF WOODPECKER INHABIT THE SAME
LOBLOLLY PINE WOODLAND THROUGHOUT THE
SOUTHEASTERN U.S. EACH SPECIES REQUIRES RECENTLY
DECEASED (BUT STILL STANDING) PINE TREES FOR
REPRODUCTION . THE WOODPECKERS EXCAVATE THEIR
NEST CAVITIES IN THE DEAD PINE TREES. IN MOST HEALTHY
FORESTS THERE ARE GENERALLY NOT ENOUGH DEAD PINE
TRESS TO PROVIDE NESTS FOR ALL THE WOODPECKERS
THAT WANT TO BUILD THEM. WHAT IS THE RELATIONSHIP
BETWEEN THESE TWO SPECIES OF WOODPECKER AN
EXAMPLE OF?
Answer: COMPETITION
⩥ WHILE ABROAD, A TRAVELER DRINKS UNCLEAN WATER
CONTAINING TAPEWORM CYSTS. THE TAPEWORM ATTACHES
TO THE INTESTICAL WALLS OF THE TRAVELER, ABSORBING
NUTRIENTS FROM THE PARTIALLY DIGESTED FOOD. OVER
THE NEXT FEW MONTHS, THE TRAVELER EXPERIENCES
ONGOING NAUSEA, LOSS OF APPETITE, AND WEIGHT LOSS
DUE TO THE PRESENCE OF THE TAPEWORM IN HIS
INTESTINES. WHAT IS THE INTERACTION BETWEEN THE
TAPEWORM AND THE TRAVELER AND EXMPLE OF?
Answer: PARASITISM
⩥ WHAT IS THE CHARGE OF A PROTON?
Answer: +1
TESTED QUESTIONS GRADED A+
⩥ MALE PEACOCKS COMPETE WITH ONE ANOTHER TO MATE
FEMALE PEACOCKS. MALES WITH MORE COLORFUL TAIL
FEATHERS ATTRACT FEMALE MATES AT A HIGHER RATE
THAN THOSE W/O. THEREFORE MALE PEACOCKS HAVE
COLORFUL TAIL FEATHERS, WHEREAS FEMALE PEACOCKS
DO NOT. WHAT IS THIS AN EXAMPLE OF?
Answer: SEXUAL SELECTION
⩥ A GARDENER MAINTAINS A SPECIES OF ROSE THAT
PRODUCD EITHER YELLO FLOWERS ( THE DOMINANT
PHENOTYPE) OR WHITE FLOWERS ( THE RECESSIVE
PHENOTYPE). ONE DAY, THE GARDENER OBSERVES THAT A
CROSS BETWEEN TWO YELLOW ROSE BUSHES HAS LED TO A
SINGLE ROSE BUSH WITH ORANGE FLOWERS. WHAT
EVOLUTIONARY MECHANISM IS INVOLVED IN THE CHANGE
IN THE GENE POOL OF THIS SPECIES?
Answer: MUTATION
⩥ SOME CELLS NEED TO MAINTAIN A SET OF
CENCENTRATIONS OF Na+ AND K+ IONS. THESE CELLS ARE
ABLE TO DO THIS WITH THE HELP OF THE Na/K PUMP, WHICH
TRANSPORTS THESE IONS FROM AREAS OF LOW
CONCENTRATION TO AREAS OF HIGH CONCETRATION (
,AGAINST THEIR CONCENTRATION GRADIENT). Na+ IS
PUMPED OUT AND K+ IS PUMPED IN. WHICH TYPE OF
MEMBRANE TRANSPORT IS INVOLVED IN THIS ACTION?
Answer: ACTIVE TRANSPORT
⩥ CHROMOSOMES ARE STRUCTURES THAT CONTAIN
HEREDITARY MATEIRAL THAT WILL BE PASSED FROM ONE
GENERATION TO THE NEXT. ACCORDING TO THIS
INFORMATION, WHICH ORGANIC MOLECULE MUST BE
PRESENT IN CHROMOSOMES?
Answer: DNA
⩥ A CELL HAS DIVIDED ITS CHROMOSOMES INTO WO NEW
NUCLEI. THE CYTOSKELETON OF THE CELL IS CURRENTLY
PINCHING THE CELL IN THE MIDDEL TO FROM TWO NEW
CELLS. IN WHICH STAGE OF THE CELL CYCLE IS THIS CELL?
Answer: CYTOKENESIS
⩥ THERE ARE FOUR SPECIES OF WOODPECKERS THAT
INHABIT THE PINE FORESTS IN THE SOUTHEASTERN AREA OF
THE U.S. INDIVIDUALS OF THIS SPECIES UTILIZE MANY OF
THE SAME RESOURCES FOR FOOD AND NESTING. WHICH
LEVEL OF ECOLOGICAL ORGANIZATION DESCRIBES THE
RELATIONSHIP AMONG THESE FOUR SPECIES OF
WOODEPECKER?
Answer: COMMUNITY
, ⩥ TWO SPECIES OF WOODPECKER INHABIT THE SAME
LOBLOLLY PINE WOODLAND THROUGHOUT THE
SOUTHEASTERN U.S. EACH SPECIES REQUIRES RECENTLY
DECEASED (BUT STILL STANDING) PINE TREES FOR
REPRODUCTION . THE WOODPECKERS EXCAVATE THEIR
NEST CAVITIES IN THE DEAD PINE TREES. IN MOST HEALTHY
FORESTS THERE ARE GENERALLY NOT ENOUGH DEAD PINE
TRESS TO PROVIDE NESTS FOR ALL THE WOODPECKERS
THAT WANT TO BUILD THEM. WHAT IS THE RELATIONSHIP
BETWEEN THESE TWO SPECIES OF WOODPECKER AN
EXAMPLE OF?
Answer: COMPETITION
⩥ WHILE ABROAD, A TRAVELER DRINKS UNCLEAN WATER
CONTAINING TAPEWORM CYSTS. THE TAPEWORM ATTACHES
TO THE INTESTICAL WALLS OF THE TRAVELER, ABSORBING
NUTRIENTS FROM THE PARTIALLY DIGESTED FOOD. OVER
THE NEXT FEW MONTHS, THE TRAVELER EXPERIENCES
ONGOING NAUSEA, LOSS OF APPETITE, AND WEIGHT LOSS
DUE TO THE PRESENCE OF THE TAPEWORM IN HIS
INTESTINES. WHAT IS THE INTERACTION BETWEEN THE
TAPEWORM AND THE TRAVELER AND EXMPLE OF?
Answer: PARASITISM
⩥ WHAT IS THE CHARGE OF A PROTON?
Answer: +1
