EHSC 3060 Midterm Exam Questions With
Complete Answers
abiotic vs biotic - ANSWER nonliving vs living
ecology - ANSWER study of organisms and their environment; for sake of environment
environmental health science - ANSWER study of health effects of environmental
exposures; for sake of humans
scientific method steps - ANSWER 1. Observation
2. Question
3. Hypothesis
4. Experiment
5. Accept/reject hypothesis
deductive vs inductive reasoning - ANSWER deductive is general to specific; inductive is
specific to general
Galileo - ANSWER first to use scientific method, established law of falling bodies
,newton - ANSWER established law of gravitation & three laws of motion to explain
universe
pavlov - ANSWER founder of classical conditioning (dogs) while trying to study digestive
system
double-blind experiment (good way to reduce bias) - ANSWER neither the experimenter
nor the participants know which participants received which treatment
global population now vs 2050 - ANSWER 7.8 billion vs 9 billion
economic vs practical parenting - ANSWER men have strong identity as
breadwinners/main providers, although women contribute more now than in the past
US population now - ANSWER 332 million
growth rate formula (rate of natural increase) - ANSWER birth rate - death rate
doubling time formula - ANSWER 70 / growth rate = # of years
J-curve - ANSWER shows J-shaped or exponential growth
, S-curve - ANSWER S-shaped or logistic growth; the leveling off of a J-Curve
carrying capacity - ANSWER limit of population that can be sustainably supported; when
this is reached, resources become scarce; causes S-curve
dependency ratio - ANSWER number of nonworking compared to working individuals in
a population
what is the root of all environmental problems? - ANSWER human overpopulation and
overconsumption
pro-natalist pressures - ANSWER Religious beliefs, parents wanting grandchildren,
carrying on family name, perceived social status, old age security
birth reduction pressures - ANSWER 1-child policy in China, financial hardships, genetic
predisposition, career goals, space limitations
women are more likely to have more children if... - ANSWER higher literacy
rate/employment status, lower income
fecundity - ANSWER fertility
US median age now vs 2060 - ANSWER 37.8 vs 60
Complete Answers
abiotic vs biotic - ANSWER nonliving vs living
ecology - ANSWER study of organisms and their environment; for sake of environment
environmental health science - ANSWER study of health effects of environmental
exposures; for sake of humans
scientific method steps - ANSWER 1. Observation
2. Question
3. Hypothesis
4. Experiment
5. Accept/reject hypothesis
deductive vs inductive reasoning - ANSWER deductive is general to specific; inductive is
specific to general
Galileo - ANSWER first to use scientific method, established law of falling bodies
,newton - ANSWER established law of gravitation & three laws of motion to explain
universe
pavlov - ANSWER founder of classical conditioning (dogs) while trying to study digestive
system
double-blind experiment (good way to reduce bias) - ANSWER neither the experimenter
nor the participants know which participants received which treatment
global population now vs 2050 - ANSWER 7.8 billion vs 9 billion
economic vs practical parenting - ANSWER men have strong identity as
breadwinners/main providers, although women contribute more now than in the past
US population now - ANSWER 332 million
growth rate formula (rate of natural increase) - ANSWER birth rate - death rate
doubling time formula - ANSWER 70 / growth rate = # of years
J-curve - ANSWER shows J-shaped or exponential growth
, S-curve - ANSWER S-shaped or logistic growth; the leveling off of a J-Curve
carrying capacity - ANSWER limit of population that can be sustainably supported; when
this is reached, resources become scarce; causes S-curve
dependency ratio - ANSWER number of nonworking compared to working individuals in
a population
what is the root of all environmental problems? - ANSWER human overpopulation and
overconsumption
pro-natalist pressures - ANSWER Religious beliefs, parents wanting grandchildren,
carrying on family name, perceived social status, old age security
birth reduction pressures - ANSWER 1-child policy in China, financial hardships, genetic
predisposition, career goals, space limitations
women are more likely to have more children if... - ANSWER higher literacy
rate/employment status, lower income
fecundity - ANSWER fertility
US median age now vs 2060 - ANSWER 37.8 vs 60