IB Biology 2023 - A4.2 - Conservation of Biodiversity

Species extinction is a natural process.

Today, over 13 billion hectares of land are cultivated or used for rearing livestock. This is an example of...

Its costs are lower.

The examples below are variables that can be monitored to prove the biodiversity crisis.

This is the main cause of ecosystem loss.

This method conserves species in their natural habitats

These activities can lead to loss of natural river and lake ecosystems.

Gathering of fuel wood, hunting of animals for bushmeat and fishing in freshwater and marine habitats are examples.

Lionfish in Brazil is an example of...

They are causes of anthropogenic species extinction.

Chemical industries produce a vast range of substances that are discarded into the environment. This is an example of...

Current fishing rates are unsustainable. This is an example of...

What happens between mass extinction events?

Can we justify the removal and relocation of endangered species?

Extinctions have been happening for billions of years, but current rates are very high.

It causes eutrophication and algal blooms.

Biodiversity exists at multiple levels:

Pollution from these activities can cause much more widespread damage.

There have been ____ mass extinctions where many species disappeared.

The EDGE of Existence Programme highlights and protects some of the most unique species on the planet.

This method conserves species outside their natural habitats.

Is it possible to reverse ecosystem collapse?

Coral bleaching is an example of...

You've learned eight categories of direct and indirect causes of ecosystem loss.

It prevents poaching and the action of invasive species.