Details

Title: Chapter five

Description: SC225: Environmental Science

Total Flash Cards: 7

Created: 09/12/2009 14:58:17

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Additional Environmental Studies Flashcards

Cards in this set:

Term
How do scientists predict the location of specific biomes?
Definition

Characteristic types of environments occur in different conditions of temperature and precipitation.

 

Biomes

 

CHAPTER 5, p. 96

Term
What is a biome?
Definition

General areas with similar climate, growth patterns, and plants.

 

Biomes

 

CHAPTER 5, p. 96; Glossary, p. 379

Term
What is the estimated total number of living species?
Definition

Between 3 million and 50 million. 

CHAPTER 5, p. 108

Term
Where is species diversity most concentrated?
Definition

South America, Africa, and Southeast Asia  

species diversity

CHAPTER 5, p. 109

Term
What was the fifth mass extinction event?
Definition

The Cretaceous extinction event of 65 million years ago

 

Mass extinctions

 

CHAPTER 5, p. 111

Term
What does habitat fragmentation do to biodiversity?
Definition

Fragmentation decreases biodiversity.

 

Fragmentation

 

CHAPTER 5, p. 113; Glossary, p. 382

Term
What is an invasive species?
Definition

A generalist or pioneering species that is moved into a new ecosystem. For example, the kudzu, water hyacinth, and walking catfish are all invasive species in the U.S.

 

CHAPTER 3, pp. 52&60; CHAPTER 5, p. 115