CPH PREFINAL LECTURE Flashcards
a number of all the organisms of the same group of species who live in a particular geographical area
Population
difference between the birth rate and the death rate
Population Rate
environmental pressures that increase gradually as the population approaches the number known as the carrying capacity
S Pattern
the population expands rapidly past the carrying capacity and then crashes
J Pattern
raised an alarm that population growth was outspacing the food supply
Thomas Malthus
published “The Population Bomb”
Paul Ehrlich
it is the result of major declines in death rates, especially amomg childre
Public Health Improvements
Demographic transition
19th to 20th Century
Give at least 2 increasing case of diseases
- Cholera, Tubercolosis,Polio
- Malaria, Measles,Diptheria, AIDS
It is determined by a number of factors, some of which can be altered by technological intervention and human behavior
Carrying capacity of the Earth
Factors related with the carrying capacity of the earth
availability of fresh water, availability of fuel, amount of productivity of used land, the amount and disposition of wastes (biological and technological
one of the factors that limits the Earth’s carrying capacity
Water Supply
also known as “green revolution”
Food Supply
-pollution of coastal waters
-75% of the major marine fish stocks are fully exploited, overexploited, or significantly depleted
-waste from penned fish pollutes coastal waters
Food Supply from the Sea
It is the change in the pattern of weather, and related changes in oceans, land surfaces and ice sheets, occurring over time scales of decades or longer
Climate Change
-increase risks in humans of skin cancer, melanoma, and cataracts.
- have a harmful impact on plant and animal life
- “there is less hope of preventing climate change caused by other human activities”
depletion of the Ozone Layer
Constituents of Air
- Nitrogen
- Oxygen
- Argon
- Carbon Dioxide
causes of current climate change
- Burning fossil fuels
- Air Pollution
- Water Pollution
- Dumping of Garbage
- Deforestation
roof of overpopulation is the difference between the overall birth rate and death rate in populations
The Decline in the Death Rate
allowed humans to increase food production using fertilizers, herbicides, and pesticides and pesticides and yields further
Agricultural Advancements
illnesses that had claimed thousands of lives until now were cure because of the invention of vaccines
Better Medical Facilities
Families that have been through poverty, natural disasters, or are simply in need of more hands to work are a major factor for
overpopulation.
More Hands to Overcome Poverty
children being seen as a source of income by impoverished families begin work too young and also lose the educational opportunities reflected, particularly when it comes to birth control.
Child Labor
unable to understand the harmful effects of overpopulation, and lack of quality education prompts them to avoid family planning measures.
Lack of Family Planning
Poor family planning on the part of partners can lead to unexpected pregnancies though contraceptives are easily available in developed
countries.
Poor Contraceptives Use
Fatal Effects of Overpopulation
- Depletion of natural resources
- Degradation of environment
- Conflict and wars
- Rise of Unemployment
- High cost of living
- Pandemics and Epidemics
- Malnutrition, starvation and famine
- Water storage
Solutions to Overpopulation
- Empowering women and girls
- Removing barriers to contraception
- Quality education for all
- Alleviating poverty and global justice
- Exercising the choice
- it is spread when those infected sneeze, cough, talk, or even exhale, releasing throat and nasal secretions into the air
- tend to spread more easily than other types of diseases, harder to control
Airborne Diseases
rapidly spreading novel coronavirus
COVID-19
- spreads easily and becomes contagious before symptoms are even apparent
- common symptoms: fever, cough, sore throat, runny nose, headaches
INFLUENZA
most adults get a cold 2-3 times a year; children gets them more often, adding up to 1 million cases of the common cold in the US every year
COMMON COLD
best known for the puffy cheeks and tender, swollen jaw that it causes
Mumps
a result of swollen salivary glands under the ears on one or both sides
Parotitis
a result of swollen salivary glands under the ears on one or both sides
Parotitis
caused by the varicella-zoster virus
chickenpox