What is deforestation?
4.3 Human Impact on Ecosystems

Quiz
•
Other
•
6th Grade
•
Easy
SENACCA BARNES
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Deforestation is the process of conserving forests by cutting down trees.
Deforestation is the process of planting more trees in forests.
Deforestation is the process of clearing forests by cutting down trees.
Deforestation is the process of building new houses in forests.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does deforestation affect ecosystems?
Deforestation increases biodiversity
Deforestation has no impact on ecosystems
Deforestation helps in maintaining the water cycle
Deforestation disrupts the balance of oxygen and carbon dioxide, reduces biodiversity, causes soil erosion, and impacts the water cycle.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are some examples of pollution in ecosystems?
Air pollution, water pollution, soil pollution, noise pollution
Land pollution
Thermal pollution
Light pollution
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain the impact of pollution on aquatic ecosystems.
Pollution benefits aquatic ecosystems by providing nutrients
Pollution has no impact on aquatic ecosystems
Pollution impacts aquatic ecosystems by decreasing water quality, harming aquatic life, disrupting the ecosystem balance, reducing biodiversity, and potentially causing species extinction.
Pollution in aquatic ecosystems leads to increased biodiversity
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is overfishing and why is it harmful?
Overfishing is harmful because it depletes fish populations, disrupts marine ecosystems, leads to loss of biodiversity, and negatively impacts the food chain.
Overfishing is a sustainable practice that does not harm marine life.
Overfishing is beneficial as it increases fish populations and improves marine ecosystems.
Overfishing has no impact on biodiversity or the food chain.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does overfishing disrupt marine food chains?
Overfishing helps maintain a balanced marine ecosystem.
Overfishing depletes key species, leading to imbalances in the ecosystem.
Overfishing has no impact on marine food chains.
Overfishing promotes biodiversity in marine ecosystems.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the main causes of climate change?
Deforestation
Solar activity
Volcanic eruptions
Greenhouse gas emissions from human activities
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