Biodiversity Threats and Solutions

Name:

Date:

Diverse ecosystem with various plants and animals

🌍 Part 1: Threats to Biodiversity

1. Which of the following is the MAIN cause of species extinction today?

Climate change

Habitat destruction

Natural disasters

Disease

2. Check ALL the ways that invasive species harm native ecosystems:

They compete for food and space

They have no natural predators

They reproduce quickly

They improve soil quality

3. Complete the sentence: Overexploitation happens when humans _____________ natural resources faster than they can be _____________ naturally.

Word bank: use, replace, harvest, renewed

4. How does climate change affect polar bears in the Arctic?

5. Give ONE specific example of habitat destruction and explain why it threatens biodiversity:

🌱 Part 2: Solutions for Protecting Biodiversity

6. Match each conservation strategy with its best description:

A. Reforestation

B. Habitat reclamation

C. Renewable energy

D. Protected areas

___ Restoring damaged ecosystems to their natural state

___ Planting trees to rebuild forest ecosystems

___ Using solar and wind power to reduce emissions

___ Creating national parks and wildlife reserves

7. List THREE actions individuals can take to help reduce climate change impacts on biodiversity:

1. _________________________________________________

2. _________________________________________________

3. _________________________________________________

8. Why is it important to control invasive species? Provide TWO reasons:

🎯 Part 3: Critical Thinking Challenge

9. Extension Activity: Design a conservation plan for your local area. Choose ONE threat to local biodiversity and propose TWO specific solutions. Explain how you would measure success.

Threat:

Solution 1:

Solution 2:

How to measure success:

10. Real-World Connection: Research shows that we are currently experiencing Earth's 6th mass extinction. Based on what you've learned, do you think humans can reverse this trend? Support your answer with evidence from this worksheet.

Success Criteria - I can...

☐ Identify the four main threats to biodiversity
☐ Explain how human activities impact ecosystems
☐ Describe conservation strategies and their benefits
☐ Propose solutions for protecting local biodiversity