Biology 1500 Final Practice Test
Questions and Answers 100% Pass
Roughly how old are the oldest fossils on Earth?
a. 3.8 million years
b. 38 million years
c. 541 million years
d. 3.8 billion years
e. 13.8 billion years - ✔✔d. 3.8 billion years
According to scientific evidence, approximately when did Earth form?
a. 2.8 million years ago
b. 4.6 million years ago
c. 558 million years ago
d. 2.8 billion years ago
e. 4,6 billion years ago - ✔✔e. 4.6 billion years ago
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,How long did Dinosaurs roam on Earth (i.e. the time from first dinosaur to dinosaur
extinction)?
a. less than 40 million years
b. about 100 million years
c. about 180 million years
d. about 250 million years
e. more than 300 million years - ✔✔c. about 180 million years
According to the fossil record, which was first on Earth, dragonflies or dinosaurs?
a. dragonflies
b. dinosaurs
c. they appeared almost at the same time
d. dragonflies are very rare in the fossil record, so it's impossible to say
e. Dinosaurs? There was no such thing as dinosaurs, they were made up by the makers
of "The Flintstones" - ✔✔a. dragonflies
Which of the statements about dragonflies is true?
a. During their life-cycle, dragonflies spend several years in water.
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,b. Adult dragonflies can only feed while they are flying, because they need all their legs
to hold their prey. They starve if they cannot fly.
c. Dragonflies have not changed much in appearance for hundreds of millions of years.
d. During their larval stages, dragonflies often eat fish and tadpoles.
e. Statements A-D are all true. - ✔✔e. Statements A-D are all true.
About 100 million years ago, the maximum wingspan of Dragonflies decreased while
the oxygen levels in the atmosphere stayed constant. Clapham and Karr attribute this
drop in dragonfly size to:
a. a drop in global temperature that decreased the rate of development in larval insects
b. a decrease in prey-size available for dragonflies, favoring the smaller bodied forms
c. the evolution of bats that could hunt dragonflies at night
d. the evolution of modern bird traits, which improved their flight performance
e. as flowering plants evolved, the dragonfly habitat was too complex for large species
to fly through it efficiently - ✔✔d. the evolution of modern bird traits, which improved
their flight performance
According to the paper by Clapham and Karr, which evidence supports the conclusion
that Oxygen levels in the atmosphere limit the maximum size of dragonflies:
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, a. During the Carboniferous, dragonfly size increased with rising oxygen levels and
decreased when oxygen levels went down.
b. Birds did not evolve until about 150 million years after the Carboniferous.
c. From 160 to 100 million years ago, dragonfly size decreased, while oxygen levels were
rising.
d. Oxygen started to accumulate in the atmosphere about 800 million years ago. - ✔✔a.
During the Carboniferous, dragonfly size increased with rising oxygen levels and
decreased when oxygen levels went down.
According to members of medical school selection committees, what is the most
important
characteristic of incoming med-school students?
a. They have memorized a large amount of biological content knowledge.
b. They are able to study and work long hours by themselves.
c. They are in excellent physical shape to remain on their feet through long shifts.
d. They take an active role in shaping their own learning experience.
e. They are fluent in at least two foreign languages. - ✔✔d. They take an active role in
shaping their own learning experience.
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Questions and Answers 100% Pass
Roughly how old are the oldest fossils on Earth?
a. 3.8 million years
b. 38 million years
c. 541 million years
d. 3.8 billion years
e. 13.8 billion years - ✔✔d. 3.8 billion years
According to scientific evidence, approximately when did Earth form?
a. 2.8 million years ago
b. 4.6 million years ago
c. 558 million years ago
d. 2.8 billion years ago
e. 4,6 billion years ago - ✔✔e. 4.6 billion years ago
100% Pass Guarantee Sophia Bennett, All Rights Reserved © 2025 1
,How long did Dinosaurs roam on Earth (i.e. the time from first dinosaur to dinosaur
extinction)?
a. less than 40 million years
b. about 100 million years
c. about 180 million years
d. about 250 million years
e. more than 300 million years - ✔✔c. about 180 million years
According to the fossil record, which was first on Earth, dragonflies or dinosaurs?
a. dragonflies
b. dinosaurs
c. they appeared almost at the same time
d. dragonflies are very rare in the fossil record, so it's impossible to say
e. Dinosaurs? There was no such thing as dinosaurs, they were made up by the makers
of "The Flintstones" - ✔✔a. dragonflies
Which of the statements about dragonflies is true?
a. During their life-cycle, dragonflies spend several years in water.
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,b. Adult dragonflies can only feed while they are flying, because they need all their legs
to hold their prey. They starve if they cannot fly.
c. Dragonflies have not changed much in appearance for hundreds of millions of years.
d. During their larval stages, dragonflies often eat fish and tadpoles.
e. Statements A-D are all true. - ✔✔e. Statements A-D are all true.
About 100 million years ago, the maximum wingspan of Dragonflies decreased while
the oxygen levels in the atmosphere stayed constant. Clapham and Karr attribute this
drop in dragonfly size to:
a. a drop in global temperature that decreased the rate of development in larval insects
b. a decrease in prey-size available for dragonflies, favoring the smaller bodied forms
c. the evolution of bats that could hunt dragonflies at night
d. the evolution of modern bird traits, which improved their flight performance
e. as flowering plants evolved, the dragonfly habitat was too complex for large species
to fly through it efficiently - ✔✔d. the evolution of modern bird traits, which improved
their flight performance
According to the paper by Clapham and Karr, which evidence supports the conclusion
that Oxygen levels in the atmosphere limit the maximum size of dragonflies:
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, a. During the Carboniferous, dragonfly size increased with rising oxygen levels and
decreased when oxygen levels went down.
b. Birds did not evolve until about 150 million years after the Carboniferous.
c. From 160 to 100 million years ago, dragonfly size decreased, while oxygen levels were
rising.
d. Oxygen started to accumulate in the atmosphere about 800 million years ago. - ✔✔a.
During the Carboniferous, dragonfly size increased with rising oxygen levels and
decreased when oxygen levels went down.
According to members of medical school selection committees, what is the most
important
characteristic of incoming med-school students?
a. They have memorized a large amount of biological content knowledge.
b. They are able to study and work long hours by themselves.
c. They are in excellent physical shape to remain on their feet through long shifts.
d. They take an active role in shaping their own learning experience.
e. They are fluent in at least two foreign languages. - ✔✔d. They take an active role in
shaping their own learning experience.
100% Pass Guarantee Sophia Bennett, All Rights Reserved © 2025 4
