Environmental Science chapter 7

Front

What is an endemic species?

Back

A type of species native to a specific region and found nowhere else on Earth.

Front

What is the biggest cause of biodiversity loss today?

Back

Habitat change and fragmentation.

Front

What does species richness refer to?

Back

The number of different species represented in a given community.

Front

What gas is about 22 times better at absorbing heat than carbon dioxide?

Back

Methane.

Front

When did the most recent mass extinction occur?

Back

65 million years ago.

Front

What is biodiversity?

Back

The variety of life in the world or in a particular habitat or ecosystem.

Front

What are invasive species?

Back

Species that are non-native to a specific location and can cause harm to the environment, economy, or human health.

Front

What is habitat fragmentation?

Back

The process by which large habitats are broken into smaller, isolated patches.

Front

What is climate change?

Back

Long-term alteration of temperature and typical weather patterns in a place.

Front

What is over-harvesting?

Back

The removal of a resource from a habitat at a rate faster than it can be replenished.