What is mass extinction and are we facing a 6th one?

There have been only three mass extinction events in Earth's history.

Mass extinctions are easy to identify by their start and end dates.

There are five big mass extinction events known, each with a much higher extinction rate than normal.

All mass extinctions were caused by asteroid impacts.

Large increase in Oxygen

Substantial increase in Methane gas

Rapid increase in Global Temperatures

Massive increase in Carbon Dioxide

1. The Ordovician-Sillurian Mass Extinction

2. The Devonian Mass Extinction

3. The Permian Mass Extinction

4. The Triassic Mass Extinction

5. The Cretaceous Mass Extinction

Kudzu can harm native plant populations because it blocks them from receiving sunlight.

Kudzu can harm native plant populations because it causes more rainfall in the area.

Kudzu can help native plant populations because it protects them from overheating.

Kudzu can help native plant populations because it attracts new animals to pollinate the native plants.