Env Sci 3rd Qtr CSA Study Quiz-REPLACE A GIZMO GRADE

What term is used to describe the increase in concentration of a substance in the tissues of organisms as it travels up the food chain?

• Bioaccumulation

• Biomagnification

• Epidemiology

• Carcinogenesis

Which of the following is not a type of health hazard listed in the study guide?

• Carcinogens

• Pathogens

• Risk assessment

• Epidemiology

What does the term 'carrying capacity' refer to in population ecology?

• The rate at which a population increases

• The maximum population size that an environment can sustain

• The movement of individuals into a population

• The movement of individuals out of a population

Which organization is not directly associated with environmental policy as listed in the study guide?

• CDC

• WHO

• EPA

• NASA

Which of the following is a dependent variable in an experiment testing the effect of sunlight on plant growth?

• The type of plant used

• The amount of water given to the plants

• The height of the plants

• The color of the pots

In a scientific experiment, what is the purpose of a control group?

• To receive all the experimental treatments

• To be kept in normal conditions for comparison

• To be exposed to the experimental variable

• To provide statistical support for the data

What is the term for the variable that the experimenter changes to observe its effect on the dependent variable?

• Control variable

• Dependent variable

• Independent variable

• Confounding variable

Which of the following best describes the process of bioaccumulation?

• The decrease of substance concentration in an organism over time

• The increase of substance concentration in an organism over time

• The natural elimination of toxins from the body of an organism

• The immediate toxic reaction of an organism to a substance

What is the primary goal of risk assessment in toxicology?

• To determine the financial impact of using certain chemicals

• To identify the best methods for cleaning up environmental pollutants

• To evaluate the potential adverse health effects caused by exposure to chemicals

• To assess the effectiveness of pesticides and fertilizers

Why might organically grown foods be considered safer than conventionally grown foods?

• They are always cheaper than conventionally grown foods

• They are grown without the use of synthetic pesticides and fertilizers

• They are more nutritious and contain more vitamins

• They are available in all regions throughout the year