Preserving Biodiversity

• Science
• Lower Secondary (Key Stage 3)

Preserving Biodiversity

What would happen to the population of zebra if there was less grass?

1. Increase
2. Decrease
3. Stay the same

What would happen to the population of lions if there was less grass?

1. Increase
2. Decrease
3. Stay the same

What would happen to the population of giraffes if there was less grass?

1. Increase
2. Decrease
3. Stay the same

Which species is at greater risk of extinction?

Which community is more biodiverse?

1. 
2. 

Which community is more biodiverse?

1. 
2. 

Which community is more biodiverse?

1. 
2. 

Which of these factors contribute to Earth's biodiversity?

The number of species.

The species lifespan.

The size of organisms.

The variety of ecosystems.

How can we protect biodiversity?

What could we do to protect biodiversity?

TASK: Pick an endangered animal of your choice and create a slide explaining the threats it faces and the actions people are taking to help preserve the species.

• Why is your animal endangered?
• What is being done to help it recover?

What is the first step in waste management?

1. Waste incineration
2. Landfill disposal
3. Waste minimization
4. Recycling

Which of the following is a non-biodegradable waste?

1. Food waste
2. Paper
3. Wood
4. Plastic

What is the purpose of composting in waste management?

1. To recycle organic waste
2. To reduce plastic waste
3. To produce electricity
4. To incinerate hazardous materials

Which waste management method is considered the least sustainable?

1. Recycling
2. Landfill disposal
3. Incineration
4. Composting

What is the primary goal of waste management?

1. To promote pollution
2. To conserve natural resources
3. To reduce environmental impact
4. To increase waste production

How can sewage impact wildlife?

1. It can introduce harmful chemicals and pathogens.
2. It provides a source of clean drinking water.

What are the potential dangers of wildlife exposure to sewage?

1. Illness, habitat degradation, and reproductive issues.
2. Increased population and better overall health.

How can we mitigate the impact of sewage on wildlife?

1. Ignoring the issue and letting nature take its course.
2. Implementing proper sewage treatment and disposal methods.