18 Questions
What is the main effect of oil spills on aquatic life?
Extensive, irreversible damage
How do pesticides affect the environment?
Contaminate food
What is the impact of biodegradable organic matter on aquatic life?
Reduces aquatic biodiversity
How does biomagnification occur in a food chain?
Increase in pollutant concentration
Which activity contributes to chemical water pollution?
Industrial activities
What is a consequence of disrupting food chains in aquatic ecosystems?
Destruction of ecosystems
How does water pollution disrupt the natural food chain?
Lead and cadmium are consumed by fish and shellfish
What disease can humans get from eating seafood contaminated by water pollution?
Hepatitis
How can ecosystems be affected by water pollution?
Ecosystems can be severely changed or destroyed
Which action can help prevent water pollution according to the text?
Using water wisely and not wasting it
Why is garbage/rubbish management important in preventing water pollution?
To keep the environment clean and prevent contamination
What happens when pollutants like lead and cadmium are consumed by tiny animals?
These animals are consumed by fish and shellfish
Why do organisms at higher levels of the ecological pyramid accumulate greater concentrations of pollutants like pesticides?
Due to the 10% law of energy transfer causing energy loss.
How can oil spills affect seabirds?
By causing them to lose their ability to fly due to oil sticking to their feathers.
What is a common water pollutant that can cause serious health problems?
Pathogens
How can mining activities contribute to water pollution?
By increasing the amount of toxic elements mixed with water.
What is one of the consequences of ocean and marine dumping?
Causing disruption in food chains due to waste accumulation.
What is one way to prevent sewage water from causing health problems?
Chemically treating sewage before releasing it into water bodies.
Explore how water pollution disrupts natural food chains by contaminating tiny animals with pollutants like lead and cadmium, which are then consumed by larger marine life. Learn about the health risks humans face, such as contracting diseases like hepatitis from consuming contaminated seafood.
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