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Insects and Ecosystems Quiz

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Questions and Answers

What percentage of insect mass is reportedly decreasing each year?

4.5%

2.5% (correct)

3.5%

1.5%

What is one consequence of declining insect populations mentioned in the information?

Decreased bird populations only

Increased plant growth

Improved farming yields

Mass extinction of various species (correct)

What are the two main reasons cited for the decline in insect populations?

Decreased food sources and habitat destruction

Rising temperatures and chemicals in farming (correct)

Urbanization and overpopulation

Natural disasters and invasive species

If the current trend continues, what percentage of insects is predicted to be lost in 10 years?

<p>25%</p> Signup and view all the answers

How do insects contribute to human agriculture?

<p>They pollinate most plants</p> Signup and view all the answers

Study Notes

Importance of Insects

Insects are crucial to the survival of all life on Earth.
They serve as a primary food source for birds, fish, and reptiles.
The extinction of insects would lead to subsequent extinctions up the food chain, affecting predators that rely on them.

Role in Agriculture

Insects play a vital role in pollination, necessary for plant reproduction.
Without insects, crop cultivation would be severely hampered, impacting food supply for humans.

Decline in Insect Population

Recent reports indicate a decline in insect mass by 2.5% annually.
Projected total decline of 25% in insect populations over the next decade if trends continue.

Causes of Decline

Rising global temperatures are contributing to the reduction in insect numbers.
The use of chemicals in farming practices also negatively impacts insect populations.

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Description

Explore the crucial role insects play in our ecosystems and their impact on food chains and plant pollination. This quiz covers the importance of insects for sustaining various forms of life and the consequences of their decline. Test your knowledge on this vital topic!