CHAPTER 7 : LOCAL ENVIRONMENTAL PROBLEMS AND ISSUES

Question 1

The world is experiencing various
contemporary Environmental Problems and Issues that affect the ___

Answer 1

socio-economic, socio-cultural, and biophysical environment.

Question 2

what are some of the environmental problems and issues in the province of Palawan

Answer 2

➢Deterioration of forests
➢ Coastal erosion
➢ Degradation of terrestrial and aquatic habitat
➢ Rapid land-use change
➢ Local climate change impacts on biodiversity

Question 3

Some Environmental problems and issues in Palawan lead to unavoidable effects and risks such as

Answer 3

▪ Food insecurity
▪ Decline fish and crop production
▪ Disasters
▪ Health issues
▪ Poverty

Question 4

___ refers to a group of individuals of the same species inhabiting an area.

Answer 4

Population

Question 5

what are the factors that interacts to change population size

Answer 5

birth rate, death rate, immigration, and emigration

Question 6

Growth rate (r) of population is equal to

Answer 6

Birthrate (b) minus death rate (d)

r = b-d

Question 7

Natural increase in human population

Answer 7

Growth rate of population

Question 8

___ is the movement from one region or
country to another affects local population

Answer 8

Dispersal

Question 9

2 types of dispersal

Answer 9

immigration and emigration

Question 10

Different species have different

Answer 10

Biotic Potential

Question 11

Biotic Potential factors

Answer 11

• Age
• Life span in which individual can reproduce
• Number of reproductive periods per lifetime
• Number of offspring produce each period of reproduction.

Question 12

Population Growth Curves

Answer 12

J – Shape & S – Shape Graph

Question 13

Exponential Growth forms what type of shape

Answer 13

J - Shape

Question 14

Logistic Growth forms what type of shape

Answer 14

S - Shape

Question 15

As the population increase, so does ___

clue : it limits the population growth

Answer 15

Environmental Resistance

Question 16

Environmental Resistance includes

Answer 16

limited food, shelter, increases disease and predation

Question 17

limited food, shelter, increased disease & predation
occurs at or near the environment’s ___

Answer 17

Carrying Capacity

Question 18

___ is an undesirable condition where the number of the existing human population exceeds the actual capacity of earth.

Answer 18

Overpopulation

Question 19

what causes overpopulation

Answer 19

•Decline in death rate
•Agricultural Advancement
•Better Medical Facilities
•More hands to Overcome Poverty
•Child Labor
•Technological Advancement in Fertility Treatment
•Immigration
•Lack of Family Planning
•Poor Use of Contraceptives

Question 20

___ allowed humans to increase
food production using fertilizer, herbicides
and pesticides and yield further.

Answer 20

20th century

Question 21

Agricultrual Advancement leads to subsequent
___

Answer 21

population explosion

Question 22

___ perhaps the biggest reason why the balance of population has been permanently disturbed.

Answer 22

Technological advancement

Question 23

___ is considered as the leading cause of overpopulation.

Answer 23

Poverty

Question 24

major factor for overpopulation

Answer 24

Families that have been through poverty,
natural disasters, or are simply in need of more
hands to work

Question 25

As per the UNICEF, approximately ___ are currently working in countries having few child labor laws

Answer 25

150 million children

Question 26

It made possible for couples who are unable to conceive undergo ___ methods and have their own babies

Answer 26

fertility treatment

Question 27

fertility treatment leads to

Answer 27

rise in the birth rate

Question 28

People settle to a more developed countries which eventually make those places overcrowded. Which leads to ___

Answer 28

more demand of resources

Question 29

Those type of people who are unable to understand the harmful effects of overpopulation, and lack of quality education prompts them to avoid family planning measures.

Answer 29

a large number of people who are living below the poverty line and have no or little knowledge about family planning

Question 30

Poor family planning on the part of partners can lead to ___

Answer 30

unexpected pregnancies

Question 31

Fatal Effects of Overpopulation

Answer 31

▪ Depletion of Resources ▪ Degradation of Environment ▪ Conflicts and Wars ▪ Rise in Unemployment ▪ High Cost of Living ▪ Pandemics and Epidemics ▪ Malnutrition, Starvation & Famine ▪ Water Shortage ▪ Lower Life Expectancy ▪ Extinction ▪ Increased Intensive Farming ▪ Faster Climate Change

Question 32

The introduction of toxic or harmful materials into the physical environment.

Answer 32

Pollution

Question 33

harmful materials into the physical environment

Answer 33

pollutants

Question 34

types of pollutants

Answer 34

• Degradable • Slowly Degradable • Non-degradable

Question 35

this type of pollutants that can be rapidly broken down by the natural processes.

Answer 35

Degradable or Non-persistent Pollutants

Question 36

This type of pollutants remains in the environment for many years in an unchanged condition and take decades or longer to degrade.

Answer 36

Slowly Degradable or Persistent Pollutants

Question 37

this type of pollutants cannot be degraded by naturals processes.

Answer 37

Non-degradable Pollutants

Question 38

Types of pollution

Answer 38

▪ Air ▪ Water ▪ Soil ▪ Noise ▪ Light pollution

Question 39

An unwanted atmospheric condition, with the presence of substances in the atmosphere which are harmful to living organism and its environment.

Answer 39

Air Pollution

Question 40

it identify and monitor the conventional pollutants and other pollutants in ambient air (air around us)

Answer 40

Clean Air Act 1970

Question 41

Hazardous Air Pollutants

Answer 41

▪ Metal Compounds ▪ Chlorinated Hydrocarbons ▪ Volatile organic compound ▪ Gasoline Vapor ▪ Solvent ▪ Components of Plastic

Question 42

it is released directly from the source into the air in harmful form.

Answer 42

Primary Pollutants

Question 43

formed by chemical reactions as components of the air mix and interact

Answer 43

Secondary Pollutants

Question 44

natural cost of air pollution

Answer 44

• Dust • Methane • Smoke and Carbon Monoxide • Pollen • Gas emissions • Volatile organic compounds (VOCs)