ENVIRONMENTAL IMPACTS ON HUMAN HEALTH

Question 1

tackles forest regeneration

Answer 1

Socio-ecological systems

Question 2

tackles rising sea levels

Answer 2

Climate change

Question 3

Any poisonous chemical substance and its by-products or organism present in our immediate environment that negatively affects human health

Answer 3

ENVIRONMENTAL TOXINS

Question 4

TOXIN #1:
naturally occurring substances that accumulate and cause damage to the environment and living beings, including humans

include substances known as semimetals or metalloids that can have the same deleterious effects

Answer 4

HEAVY METALS

Question 5

Heavy metals discharge into the environment, primarily via water systems, leading to contamination.

Sources: Natural sources like rocks, volcanic eruptions, and dust particles, as well as industrial and domestic activities.

Answer 5

Indirect Pollution

Question 6

Heavy metals directly contaminate soil, leading to immediate exposure risks.

Sources: Similar to indirect pollution but directly affecting soil through industrial and domestic activities.

Answer 6

Direct Pollution

Question 7

Accumulation of heavy metals, in toxic amounts, in the soft tissues of the body.

Symptoms may vary depending on the type of metal and the level of exposure, ranging from mild to severe neurological, respiratory, and gastrointestinal effects.

Answer 7

Heavy Metal Poisoning

Question 8

Found in topical creams, herbicides, and paintS.

Symptoms:
hyperpigmentation in the skin and misalignment in the nails.

Answer 8

ARSENIC

Question 9

Found in batteries, paint, gasoline, and construction materials.

Symptoms: distal pore and Burton’s line in the gums.

Answer 9

Lead

Question 10

Found in dental amalgam and liquid in thermometers.

Symptoms include tremors, visual and hearing impairments.

Answer 10

Mercury

Question 11

TOXIN #2:
Introduction of harmful substances into the environment.

Pollutants can be natural, such as volcanic emissions.

Can also be created by human activity, such as trash or runoff produced by factories.

Answer 11

POLLUTION

Question 12

contamination of the indoor or outdoor air by a range of gasses and solids that modify its natural characteristics

mix of hazardous substances from both human-made and natural sources

Health Effects: Brain damage, stroke, asthma, allergy, bronchitis, lung cancer, heart disease, skin irritation.

Answer 12

Air Pollution

Question 13

PART OF THE OZONE THAT IS NOT GOOD AND CONSIDERED A POLLUTANT

Answer 13

TROPOSPHERE

Question 14

PART OF THE OZONE THAT IS GOOD AND BENEFICIAL BC IT PREVENTS ULTRAVIOLET RAYS FROM REACHING US

Answer 14

STRATOSPHERE

Question 15

air pollutant that is emissions from vehicles

Answer 15

carbon monoxide

Question 16

Rising sea levels

Answer 16

Global Warming

Question 17

Chemicals like chlorofluorocarbons contribute to ozone depletion.

Answer 17

Ozone Layer Destruction

Question 18

Gasses mixed with water vapor create acid rain.

Answer 18

Acid Precipitation

Question 19

Indicator of thermal inversion

Fog but color gray, means there is accumulation of pollutants

Answer 19

Smog

Question 20

Excessive——- leads to global warming

Answer 20

greenhouse gasses

Question 21

It is normal to have this otherwise the earth will be cold. However, excessive amounts would lead to Global Warming.

Answer 21

greenhouse gasses

Question 22

Produced from the interaction of chemicals with the sunlight.

Can be brown or grayish blue.

Answer 22

Smog

Question 23

atmospheric conditions that trap smog and prevent its dispersal

Answer 23

Thermal Inversion

Question 24

It is formed in the atmosphere because of chemical reactions between pollutants.

Answer 24

Particulate matter, also called PM

Question 25

Harmful substances contaminating water ecosystems, degrading water quality and quantity, rendering it toxic to humans and other species. Occurs when harmful substances contaminate a body of water

Answer 25

Water Pollution

Question 26

Origins of pollutants are diffuse and challenging to trace, such as agricultural runoff.

Answer 26

Non-point Sources

Question 27

Pollution can be directly traced to specific sources like factories, mines, and oil tankers.

Answer 27

Point Sources

Question 28

Consumption of contaminated organisms, such as fish, can lead to exposure to pollutants.

Answer 28

Indirect Impact

Question 28

Immediate exposure to contaminated water can lead to poisoning.

Answer 28

Direct Impact

Question 29

Releases toxic chemicals to the environment Waste discharges from factories and industrial activities.

Answer 29

Industrialization

Question 30

Pesticides, fertilizers and farm wastes Runoff from agricultural areas, including fields and farms

Answer 30

Agriculture

Question 31

Natural weathering Weathering of rocks, releasing pollutants into water bodies

Answer 31

Natural factors

Question 32

Algal blooms due to nutrient-rich pollutants, leading to toxin production harmful to aquatic life and humans.

Answer 32

Red Tide

Question 33

Lack of access to clean water and medical facilities exacerbates the impact of waterborne diseases, leading to dehydration and death.

Answer 33

Dehydration and mortality

Question 34

Waterborne diseases such as cholera, typhoid fever, and salmonellosis, resulting from contaminated water sources.

Answer 34

Health Impacts

Question 35

Primary producers in aquatic ecosystems, sensitive to changes in water quality and useful as biological indicators.

Answer 35

Phytoplankton

Question 36

Flagellated If you have sample water containing -----, you'll notice rapid movement due to their flagella. Eyespot cytoplasm is in near the canal green in color very fast in terms of movement

Answer 36

Euglenophyta

Question 37

thick cell wall made of silica When they die the silica goes to the ocean floor brown coloration.

Answer 37

Bacillariophyta

Question 38

flagellar insertion Pigmentation Can swim in the water Outer covering called the theca Their cell wall is very thick Cause red ride especially in coastal areas The toxins during the red tide is stable in hot and acidic environment

Answer 38

Dinophyta

Question 39

known to be the green algae chlorophyll-a and -b as photosynthetic pigments solitary colonial or filamentous

Answer 39

Chlorophyta

Question 40

Prokaryotic organisms lacking nucleus Blue-green in nature Can exist as solitary organisms or in colonies Cause harmful algal blooms

Answer 40

Cyanophyta