AcDec 24-25: Eco 11-13, Math 11-16, Science 20-24

Front

What is the primary challenge in applying the traditional scientific method to environmental science?

Back

Absence of an undisturbed baseline for comparison

Answer explanation

The primary challenge in environmental science is the absence of an undisturbed baseline for comparison, making it difficult to assess changes and impacts accurately, unlike in controlled scientific experiments.

Front

Which of the following is NOT mentioned as a limitation in environmental science? Subjectivity in comparing environmental impacts, Inconsistent units of measure for energy, Unpredictable consequences of preferences and policies, Lack of international cooperation

Back

Lack of international cooperation

Answer explanation

The correct answer is 'Lack of international cooperation' as it is not typically cited as a limitation in environmental science. The other options are commonly recognized challenges in the field.

Front

In the context of environmental science, what does the term "system" refer to?

Back

A set of living and/or nonliving components connected in a way that changes affect other parts

Answer explanation

In environmental science, a "system" includes both living and nonliving components that interact, meaning changes in one part can affect others. This definition highlights the interconnectedness essential to understanding ecosystems.

Front

What is the largest system studied by environmental scientists?

Back

The Earth

Answer explanation

The largest system studied by environmental scientists is the Earth, as it encompasses all ecosystems, climates, and geological processes. While the atmosphere and oceans are significant components, they are part of the larger Earth system.

Front

Which of the following best describes an open system? A system where no exchange occurs, A system where only energy exchange occurs, A system where only matter exchange occurs, A system where exchange of matter or energy with other systems occurs

Back

A system where exchange of matter or energy with other systems occurs

Answer explanation

An open system allows for the exchange of both matter and energy with its surroundings, distinguishing it from closed or isolated systems. Therefore, the correct choice is that it involves exchange with other systems.

Front

With respect to matter, the Earth system is considered: An open system, A closed system, An isolated system, A dynamic system

Back

A closed system

Answer explanation

The Earth system is considered a closed system because it exchanges energy but not matter with its surroundings. This means that while energy can enter and leave, the total amount of matter remains constant.

Front

What is the term used for the change in the pool of a system over time?

Back

Flux

Answer explanation

The term 'Flux' refers to the change in the pool of a system over time, capturing the movement of inputs and outputs. It effectively describes how quantities vary within a system, making it the correct choice.

Front

In a steady state system: Input is greater than output, Output is greater than input, Input equals output, There is no input or output

Back

Input equals output

Answer explanation

In a steady state system, the condition is that the input equals the output. This means that whatever is entering the system is balanced by what is leaving, ensuring stability.

Front

Which of the following areas is NOT mentioned as important to a systems-based understanding of the environment? Economics, Law, Religion, Environmental advocacy

Back

Religion

Answer explanation

Religion is not typically considered a core area for a systems-based understanding of the environment, unlike economics, law, and environmental advocacy, which directly influence environmental policies and practices.

Front

What is the formula for calculating net flux in a system?

Back

Net Flux = Inputs - Outputs

Answer explanation

Net Flux is calculated by subtracting Outputs from Inputs. This reflects the net change in a system, accounting for what comes in and what goes out. Therefore, the correct formula is Net Flux = Inputs - Outputs.