Radioactivity and Wildlife Worksheet
Explore the impacts of radioactivity on wildlife, including biological effects and ecological consequences, with this Grade 11 science worksheet.
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Standards
Radioactivity and Wildlife
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Read each question carefully and answer to the best of your knowledge. This worksheet assesses your understanding of how radioactivity affects wildlife and ecosystems.
1. Which of the following is a primary pathway for radioactive contamination into wildlife?
Direct exposure to sunlight
Ingestion of contaminated food or water
Exposure to high frequency sound waves
Absorption of cosmic rays through fur/feathers
2. What is biomagnification in the context of radioactive substances?
The breakdown of radioactive materials by bacteria.
The increase in concentration of a substance in organisms at higher trophic levels.
The process of radioactive decay in soil.
The movement of radioactive particles through the air.
3. Ionizing radiation can cause damage to an organism's leading to mutations and cancer.
4. The Chernobyl disaster led to a significant increase in and birth defects in local wildlife populations.
5. All forms of radiation are harmful to wildlife.
True
False
6. Wildlife populations in areas with chronic low-level radiation exposure often show no measurable adverse effects.
True
False
7. Describe two different ways radioactive isotopes can enter an aquatic ecosystem and impact its wildlife.
8. Explain the concept of a 'radioactive wasteland' and discuss whether wildlife can truly thrive in such environments.
Use the words below to complete the sentences.
9. The long of certain radioactive isotopes means they persist in the environment for extended periods, posing a continuous threat to wildlife.
10. Radioactive materials can accumulate in organisms and move up the , leading to increased concentrations in top predators.
11. Discuss the long-term ecological consequences of a major nuclear accident on a diverse wildlife population. Consider both direct and indirect effects, and potential recovery mechanisms.