ENV 101 MIDTERM EXAM QUESTIONS WITH VERIFIED
ANSWERS
The law of energy and mass conservation states that ________. - Answers - energy
and matter cannot be created or destroyed
Which of the following is not an abiotic factor? - Answers - bacteria
An ecosystem is best defined as ________. - Answers - all the organisms and their
physical and chemical environment within a specific area where energy and matter
influence the distribution and abundance of organisms present
Which of the following is not a principle of Ecosystem function? - Answers - Ecosystems
have distinct boundaries that are influenced by the abiotic factors in the ecosystem.
A hypothesis can best be described as ________. - Answers - a proposed explanation
that can be tested
In human-dominated ecosystems, which of the following features is often lacking? -
Answers - homeostatic regulation
Environmental science is best described as ________. - Answers - studying all aspects
of an environment
Negative feedback processes tend to function within ecosystems to ________. -
Answers - stabilize the ecosystem
Ecosystems are connected by ________. - Answers - the flow of energy and matter
through the ecosystem
What is required to be considered sustainable use of resources? - Answers -
understanding the rate of renewal and the ability to manage the rate of the use
A "scientific study" on the internet claims that after a single try, a researcher discovered
a method to turn lead into gold. Which part of the scientific method was not completed
before "publication" on the internet? - Answers - Replication and Review by others
Regulating ecosystem services are ways that ecosystems control important conditions
and/or processes such as ________. - Answers - climate, water flow, and disease
A cultural ecosystem service might be ________. - Answers - the beauty or inspiration
provided by a forest
, What is the end product of the scientific method for a particular question? - Answers -
peer review and publication
Sustainable management requires us to examine the "big picture" of an ecosystem's
context, even though we may not understand every piece and process in that
ecosystem. Systems thinking recognizes and addresses the essential connections
between the pieces of any system to be analyzed.Ecosystem services are often
classified into four different categories that include provisioning services (supplying us
with food, air, and water), as well as ________. - Answers - regulating, cultural, and
supporting services
How does an atom of chlorine (Cl) become a negative ion of Chloride (Cl-)? - Answers -
it gains an electron
What kind of bond forms when chemical entities with opposite charges are held together
by attraction?
Correct! - Answers - ionic bond
The most basic source of immediate energy for most organisms is ________. - Answers
- glucose
The pH scale is a quantitative representation of the relative amounts of ________. -
Answers - hydrogen and hydroxyl ions in solution
When full, the innermost electron shell of neon (atomic number = 10) contains
________ electrons, and the outermost shell contains ________ electrons. - Answers -
2...8
In a water molecule, hydrogen and oxygen are held together by a ________ bond. -
Answers - polar covalent
________ are synthesized in a two-step process: transcription and translation. -
Answers - Proteins
Starch and cellulose are examples of ________. - Answers - carbohydrates
Which letter corresponding to a nucleotide does not exist in RNA? - Answers - T
Proteins are polymers composed of - Answers - amino acids only
Which of the following populations would be best estimated by an area-based survey? -
Answers - flowers in a field
Assuming no migration, birth rate minus death rate is equal to ________. - Answers -
the increase or decrease in different populations
ANSWERS
The law of energy and mass conservation states that ________. - Answers - energy
and matter cannot be created or destroyed
Which of the following is not an abiotic factor? - Answers - bacteria
An ecosystem is best defined as ________. - Answers - all the organisms and their
physical and chemical environment within a specific area where energy and matter
influence the distribution and abundance of organisms present
Which of the following is not a principle of Ecosystem function? - Answers - Ecosystems
have distinct boundaries that are influenced by the abiotic factors in the ecosystem.
A hypothesis can best be described as ________. - Answers - a proposed explanation
that can be tested
In human-dominated ecosystems, which of the following features is often lacking? -
Answers - homeostatic regulation
Environmental science is best described as ________. - Answers - studying all aspects
of an environment
Negative feedback processes tend to function within ecosystems to ________. -
Answers - stabilize the ecosystem
Ecosystems are connected by ________. - Answers - the flow of energy and matter
through the ecosystem
What is required to be considered sustainable use of resources? - Answers -
understanding the rate of renewal and the ability to manage the rate of the use
A "scientific study" on the internet claims that after a single try, a researcher discovered
a method to turn lead into gold. Which part of the scientific method was not completed
before "publication" on the internet? - Answers - Replication and Review by others
Regulating ecosystem services are ways that ecosystems control important conditions
and/or processes such as ________. - Answers - climate, water flow, and disease
A cultural ecosystem service might be ________. - Answers - the beauty or inspiration
provided by a forest
, What is the end product of the scientific method for a particular question? - Answers -
peer review and publication
Sustainable management requires us to examine the "big picture" of an ecosystem's
context, even though we may not understand every piece and process in that
ecosystem. Systems thinking recognizes and addresses the essential connections
between the pieces of any system to be analyzed.Ecosystem services are often
classified into four different categories that include provisioning services (supplying us
with food, air, and water), as well as ________. - Answers - regulating, cultural, and
supporting services
How does an atom of chlorine (Cl) become a negative ion of Chloride (Cl-)? - Answers -
it gains an electron
What kind of bond forms when chemical entities with opposite charges are held together
by attraction?
Correct! - Answers - ionic bond
The most basic source of immediate energy for most organisms is ________. - Answers
- glucose
The pH scale is a quantitative representation of the relative amounts of ________. -
Answers - hydrogen and hydroxyl ions in solution
When full, the innermost electron shell of neon (atomic number = 10) contains
________ electrons, and the outermost shell contains ________ electrons. - Answers -
2...8
In a water molecule, hydrogen and oxygen are held together by a ________ bond. -
Answers - polar covalent
________ are synthesized in a two-step process: transcription and translation. -
Answers - Proteins
Starch and cellulose are examples of ________. - Answers - carbohydrates
Which letter corresponding to a nucleotide does not exist in RNA? - Answers - T
Proteins are polymers composed of - Answers - amino acids only
Which of the following populations would be best estimated by an area-based survey? -
Answers - flowers in a field
Assuming no migration, birth rate minus death rate is equal to ________. - Answers -
the increase or decrease in different populations
