SLCC ENSC 1000 Exam 2 Questions With
Complete Solutions
Crude Birth Rate Number of births in a year per thousand. (Not adjusted for population
characteristics such as number of women of childbearing age.)
Total Fertility Rate number of children born to an average woman in a population during
her life
Zero Population Growth Occurs when births plus immigration in a population equal
deaths plus emigration. ZPG Is a rate of 2.1 children per couple, not 2.0, because some people do
not have children and some children do not survive to reproductive age.
Crude Death Rate The number of deaths per year per 1,000 people.
Natural Increase crude birth rate minus crude death rate
Total growth rate includes immigration, emigration, births and deaths.
the primary cause of most population growth in last 300 years. Declining mortality
, SLCC ENSC 1000 Exam 2 Questions With
Complete Solutions
Family Planning allows couples to determine the number and spacing of their children
Health a state of complete physical, mental, and social well-being (not just the absence of
disease or infirmity)
Disease an abnormal change in the body's condition that impairs physical or psychological
function
Disability-adjusted life years (DALYs) combine premature deaths and loss of healthy life
resulting from illness or disability
Pathogens disease-causing organisms. They include:-Viruses-Bacteria-Protozoans-
Parasitic worms including flukes
Antibiotics chemicals that kill or inhibit the growth of bacteria
Toxicology the study of poisons and their effects on living systems.
, SLCC ENSC 1000 Exam 2 Questions With
Complete Solutions
Dangerous chemicals are divided into two broad categories: Toxic and Other Hazards
Toxic chemicals known poisons that damage or kill cells/tissues
Other Hazards (chemicals) dangerous but not toxic
Ecotoxicology deals with the interactions, transformation, fate, and effects of natural and
synthetic chemicals in the biosphere.
Allergens substances that activate the immune system
Antigens substances that are recognized as foreign by white blood cells and stimulate the
production of specific antibodies
Antibodies proteins produced by our bodies that recognize and bind to foreign cells or
chemicals
Complete Solutions
Crude Birth Rate Number of births in a year per thousand. (Not adjusted for population
characteristics such as number of women of childbearing age.)
Total Fertility Rate number of children born to an average woman in a population during
her life
Zero Population Growth Occurs when births plus immigration in a population equal
deaths plus emigration. ZPG Is a rate of 2.1 children per couple, not 2.0, because some people do
not have children and some children do not survive to reproductive age.
Crude Death Rate The number of deaths per year per 1,000 people.
Natural Increase crude birth rate minus crude death rate
Total growth rate includes immigration, emigration, births and deaths.
the primary cause of most population growth in last 300 years. Declining mortality
, SLCC ENSC 1000 Exam 2 Questions With
Complete Solutions
Family Planning allows couples to determine the number and spacing of their children
Health a state of complete physical, mental, and social well-being (not just the absence of
disease or infirmity)
Disease an abnormal change in the body's condition that impairs physical or psychological
function
Disability-adjusted life years (DALYs) combine premature deaths and loss of healthy life
resulting from illness or disability
Pathogens disease-causing organisms. They include:-Viruses-Bacteria-Protozoans-
Parasitic worms including flukes
Antibiotics chemicals that kill or inhibit the growth of bacteria
Toxicology the study of poisons and their effects on living systems.
, SLCC ENSC 1000 Exam 2 Questions With
Complete Solutions
Dangerous chemicals are divided into two broad categories: Toxic and Other Hazards
Toxic chemicals known poisons that damage or kill cells/tissues
Other Hazards (chemicals) dangerous but not toxic
Ecotoxicology deals with the interactions, transformation, fate, and effects of natural and
synthetic chemicals in the biosphere.
Allergens substances that activate the immune system
Antigens substances that are recognized as foreign by white blood cells and stimulate the
production of specific antibodies
Antibodies proteins produced by our bodies that recognize and bind to foreign cells or
chemicals
