APES MIDTERM EXAM: MULTIPLE
CHOICE QUESTIONS AND ANSWERS.
VERIFIED 2026.
The environment refers to - ANS the sum of all the conditions surrounding us that influence
life
The study of environmental science primarily considers - ANS interactions among human
systems and those found in nature
An ecosystem is a location on Earth that includes - ANS interacting biotic and abiotic
components
The extinction of mastodons and giant ground sloths in the Americas is attributed to -
ANS over-hunting by humans
environmental indicators - ANS do not always explain what is causing a change in the
environment
Which is NOT evidence of biodiversity? - ANS A large number of one species in a region
The number of species on Earth that have been identified is approximately - ANS 2 million
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, The background extinction rate is - ANS a very slow, natural process
Which is NOT a non-renewable resource? - ANS timber
An ecological footprint considers - ANS how much an individual consumes in terms of land
area
Water reaches its highest density at - ANS 4 degrees C
What is RNA? - ANS a nucleic acid that makes possible the synthesis of proteins
X-rays and ultraviolet rays have ______ wavelengths and ______ energy than infrared rays and
visible light. - ANS shorter; higher
In the electrical lines that transmit electricity between a power plant and a home, ____ percent
of the energy is lost as heat and sound. - ANS 10
According to the first law of thermodynamics - ANS energy is not created or destroyed
The second law of thermodynamics states that - ANS all systems move toward increased
entropy
In a steady state - ANS input equals output
Greenhouse gases in the Earth's atmosphere - ANS are increasing
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
CHOICE QUESTIONS AND ANSWERS.
VERIFIED 2026.
The environment refers to - ANS the sum of all the conditions surrounding us that influence
life
The study of environmental science primarily considers - ANS interactions among human
systems and those found in nature
An ecosystem is a location on Earth that includes - ANS interacting biotic and abiotic
components
The extinction of mastodons and giant ground sloths in the Americas is attributed to -
ANS over-hunting by humans
environmental indicators - ANS do not always explain what is causing a change in the
environment
Which is NOT evidence of biodiversity? - ANS A large number of one species in a region
The number of species on Earth that have been identified is approximately - ANS 2 million
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, The background extinction rate is - ANS a very slow, natural process
Which is NOT a non-renewable resource? - ANS timber
An ecological footprint considers - ANS how much an individual consumes in terms of land
area
Water reaches its highest density at - ANS 4 degrees C
What is RNA? - ANS a nucleic acid that makes possible the synthesis of proteins
X-rays and ultraviolet rays have ______ wavelengths and ______ energy than infrared rays and
visible light. - ANS shorter; higher
In the electrical lines that transmit electricity between a power plant and a home, ____ percent
of the energy is lost as heat and sound. - ANS 10
According to the first law of thermodynamics - ANS energy is not created or destroyed
The second law of thermodynamics states that - ANS all systems move toward increased
entropy
In a steady state - ANS input equals output
Greenhouse gases in the Earth's atmosphere - ANS are increasing
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
