1|Page
BIOL-1033 EXAM 4, 2026 ||VERIFIED EXAM!!|| MOST
RECENT EXAM ACTUAL COMPLETE REAL EXAM
QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) ALREADY GRADED A+ | GUARANTEED
SUCCESS!! NEWEST EXAM!!!
The origin of mitochondria in a eukaryotic cell is explained
by - Answer-Endosymbiosis of an aerobic bacterium
Which would be most likely to be fossilized? - Answer-a
common thick-shelled crustacean
You uncovered a fossil that you suspect is around 100
million years old. Which of the radioisotope pairs in the
table could you eliminate as an appropriate choice for
radioisotope dating the accompanying rock? - Answer-
Carbon-14/Nitrogen-14
The Earth's atmosphere has changed a lot over the past 4
billion years. One big change was due to photosynthetic
organisms. Their photosynthesis increased the amount of
what atmospheric gas? - Answer-Oxygen (O2)
,2|Page
The first living cells were most likely - Answer-Anaerobic
prokaryotes
The process by which the major land masses have shifted
their positions, changed shapes and separated from each
other, is known as - Answer-Continental drift (plate
tectonics)
The human blood type AB in which both the A antigen and
the B antigen are found embedded in the blood cells is an
example of - Answer-Codominance
An X-linked gene is - Answer-a gene on the X
chromosome
A man and a woman are both heterozygous carriers for
the recessive allele that causes cystic fibrosis. What is the
probability that they will have an offspring who has cystic
fibrosis? - Answer-25%
All the offspring of a cross between a red-flowered plant
and a white flowered plant have pink flowers. This means
that the allele for red flowers is _______ to the allele for
white flowers. - Answer-incompletely dominant
, 3|Page
The likelihood of allopatric speciation increases when a
splinter population is __________ and __________ the
broader range of the species. - Answer-Small ; isolated
from
Today there are 54 different honeycreepers in Hawaii. The
ancestor of the honeycreepers was the European
rosefinch. The evolution of many species of honeycreeper
is the result of - Answer-Adaptive radiation
During the Beagle journey, Darwin visited islands, allowing
him to compare island species with continental species. In
terms of framing his theory of evolution, why was this
significant? - Answer-Because the island species had both
similarities to their continental ancestors and unique
adaptations to their island environments.
Which scenario best illustrates the process of natural
selection? (See image to right) These 3 breeds of dogs
are the result of - Answer-artificial selection ( selective
breeding)
BIOL-1033 EXAM 4, 2026 ||VERIFIED EXAM!!|| MOST
RECENT EXAM ACTUAL COMPLETE REAL EXAM
QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) ALREADY GRADED A+ | GUARANTEED
SUCCESS!! NEWEST EXAM!!!
The origin of mitochondria in a eukaryotic cell is explained
by - Answer-Endosymbiosis of an aerobic bacterium
Which would be most likely to be fossilized? - Answer-a
common thick-shelled crustacean
You uncovered a fossil that you suspect is around 100
million years old. Which of the radioisotope pairs in the
table could you eliminate as an appropriate choice for
radioisotope dating the accompanying rock? - Answer-
Carbon-14/Nitrogen-14
The Earth's atmosphere has changed a lot over the past 4
billion years. One big change was due to photosynthetic
organisms. Their photosynthesis increased the amount of
what atmospheric gas? - Answer-Oxygen (O2)
,2|Page
The first living cells were most likely - Answer-Anaerobic
prokaryotes
The process by which the major land masses have shifted
their positions, changed shapes and separated from each
other, is known as - Answer-Continental drift (plate
tectonics)
The human blood type AB in which both the A antigen and
the B antigen are found embedded in the blood cells is an
example of - Answer-Codominance
An X-linked gene is - Answer-a gene on the X
chromosome
A man and a woman are both heterozygous carriers for
the recessive allele that causes cystic fibrosis. What is the
probability that they will have an offspring who has cystic
fibrosis? - Answer-25%
All the offspring of a cross between a red-flowered plant
and a white flowered plant have pink flowers. This means
that the allele for red flowers is _______ to the allele for
white flowers. - Answer-incompletely dominant
, 3|Page
The likelihood of allopatric speciation increases when a
splinter population is __________ and __________ the
broader range of the species. - Answer-Small ; isolated
from
Today there are 54 different honeycreepers in Hawaii. The
ancestor of the honeycreepers was the European
rosefinch. The evolution of many species of honeycreeper
is the result of - Answer-Adaptive radiation
During the Beagle journey, Darwin visited islands, allowing
him to compare island species with continental species. In
terms of framing his theory of evolution, why was this
significant? - Answer-Because the island species had both
similarities to their continental ancestors and unique
adaptations to their island environments.
Which scenario best illustrates the process of natural
selection? (See image to right) These 3 breeds of dogs
are the result of - Answer-artificial selection ( selective
breeding)
