Biodiversity Yr 8

What does biodiversity mean?

• Only one species in an area.
• The different amount of species in an area
• All abiotic life
• Nitrogen fixation

Earth's Biodiversity is....?

• Increasing

• Decreasing

• Staying the same

Why is biodiversity so important?

• Because all species depend on each other to survive, so if one becomes extinct another species that relies on it could go extinct as well
• Because it’s better to have only one variation of each species.
• Because it better to only have a few species on Earth.
• Honestly, I have no idea what biodiversity is!

What factor does NOT affect biodiversity?

• Urbanization
• Planting Native Plants
• Overfishing
• Pollution

High biodiversity is 

• having a lot of the same organism.
• having a few of the same organism.
• having a lot of variety of different organisms.
• only having one of each organism. 

When there is higher biodiversity...

• more organisms are likely to die because they can't adapt to environmental changes.

• there is more diversity and higher sustainability of life.

• there is less diversity.

• there is more diversity and lower sustainability of life

What is happening to the biodiversity of the aquatic ecosystem as a result of the Great Barrier Reef dying?

• Increased

• Decreased

• Stayed the same

The coral reef has many different species of plants and animals. This means that it has:

• high biodiversity

• low biodiversity

Which of the following are not threats to biodiversity

• captive breeding programmes in zoos

• habitat loss

• over exploitation

• pollution

Biodiversity can help improve food crops.

• True

• False