Exam (elaborations)
SLCC ENSC 1000 EXAM #2 QUESTIONS WITH CORRECT ANSWERS
- Course
- Institution
SLCC ENSC 1000 EXAM #2 QUESTIONS WITH CORRECT ANSWERS
[Show more]
Content preview
SLCC ENSC 1000 EXAM #2 QUESTIONSWITH CORRECT ANSWERS
Thomas Malthus - Answer-wroteAn Essay on the Principle of Populationin which he
showed that human populations increase exponentially.
Karl Marx - Answer-view, that population growth resulted from poverty, resource
depletion, pollution, and other social ills
Malthus vs. Marx - Answer-Malthus - poverty causes overpopulation
Marx - overpopulation causes poverty
Demography - Answer-encompasses vital statistics about people such as births, deaths,
distribution, and population size
Organisms considered in imminent danger of extinction are called? - Answer-
endangered
The number of children born to an average woman in a population during her life? -
Answer-Total Fertility Rate
These are chemicals used to kill biological pests? - Answer-pesticides
Crude Birth Rate - Answer-Number of births in a year per thousand. (Not adjusted for
population characteristics such as number of women of childbearing age.)
Total Fertility Rate - Answer-number of children born to an average woman in a
population during her life
Zero Population Growth - Answer-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 - Answer-The number of deaths per year per 1,000 people.
Natural Increase - Answer-crude birth rate minus crude death rate
Total growth rate - Answer-includes immigration, emigration, births and deaths.
the primary cause of most population growth in last 300 years. - Answer-Declining
mortality
, Family Planning - Answer-allows couples to determine the number and spacing of their
children
Health - Answer-a state of complete physical, mental, and social well-being (not just the
absence of disease or infirmity)
Disease - Answer-an abnormal change in the body's condition that impairs physical or
psychological function
Disability-adjusted life years (DALYs) - Answer-combine premature deaths and loss of
healthy life resulting from illness or disability
Pathogens - Answer-disease-causing organisms. They include:-Viruses-Bacteria-
Protozoans-Parasitic worms including flukes
Antibiotics - Answer-chemicals that kill or inhibit the growth of bacteria
Toxicology - Answer-the study of poisons and their effects on living systems.
Dangerous chemicals are divided into two broad categories: - Answer-Toxic and Other
Hazards
Toxic chemicals - Answer-known poisons that damage or kill cells/tissues
Other Hazards (chemicals) - Answer-dangerous but not toxic
Ecotoxicology - Answer-deals with the interactions, transformation, fate, and effects of
natural and synthetic chemicals in the biosphere.
Allergens - Answer-substances that activate the immune system
Antigens - Answer-substances that are recognized as foreign by white blood cells and
stimulate the production of specific antibodies
Antibodies - Answer-proteins produced by our bodies that recognize and bind to foreign
cells or chemicals
Immune System Depressants - Answer-pollutants that depress the immune system
instead of activating it.
Endocrine Disrupters - Answer-disrupt normal hormone functions
Neurotoxins - Answer-metabolic poisons that specifically attack nerve cells; most are
extremely toxic and fast acting.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller biggdreamer. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
67866 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now