What is marine biodiversity and why is it important?

Exploring Oceans and Their Resources

Quiz
•
Geography
•
8th Grade
•
Easy
Sabeen 101793/TCHR/BMCB
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Marine biodiversity refers to the number of fish species only.
Marine biodiversity is the study of ocean currents and their effects.
It is important solely for tourism and recreation.
Marine biodiversity is the variety of life in ocean ecosystems, and it is crucial for ecosystem health, food security, and resilience to environmental changes.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the fishing industry impact marine ecosystems?
Fishing practices help restore damaged habitats in the ocean.
The fishing industry promotes biodiversity in marine ecosystems.
The fishing industry has no impact on marine ecosystems.
The fishing industry negatively affects marine ecosystems by causing overfishing, bycatch, habitat destruction, and the introduction of invasive species.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the main sources of pollution in the oceans?
Land runoff, plastic waste, oil spills, sewage discharge, industrial waste.
Chemical fertilizers from agriculture
Airborne pollutants from factories
Noise pollution from ships
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are some renewable energy sources derived from the ocean?
Geothermal energy
Nuclear energy
Natural gas
Tidal energy, wave energy, ocean thermal energy conversion (OTEC), salinity gradient energy
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do shipping and trade routes affect ocean health?
Shipping routes improve ocean health by reducing carbon emissions.
Trade routes enhance marine biodiversity and ecosystem stability.
Shipping activities promote the growth of coral reefs and marine life.
Shipping and trade routes can negatively impact ocean health through pollution, noise, and the spread of invasive species.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the environmental impacts of fuel extraction from the sea?
Improved water quality
The environmental impacts include oil spills, habitat destruction, water pollution, and contribution to climate change.
Increased fish populations
Enhanced marine biodiversity
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does desalination provide freshwater from ocean water?
Desalination uses ocean water directly without any treatment.
Desalination provides freshwater by removing salt and impurities from ocean water.
Desalination creates freshwater by boiling ocean water.
Desalination adds minerals to ocean water to make it drinkable.
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