1. DESERT A desert is a barren area of land where little precipitation occurs and consequently living conditions are hostile for plant and animal life.  A desert is a…

1. Desert Ecology Dr.Abdulhadi Aloufiwww.draloufi.com…

Chapter 15: Ecosystems and Communities Organisms and their environments by Mark Manteuffel, St. Louis Community College What are ecosystems? A community of biological organisms…

Slide 1 White Sands National Monument, New Mexico, USA Wadi Dhar, Yemen Dead Vleii, Namib Desert DESERT INTRODUCTION Slide 2 Describe the characteristics and distribution…

Slide 1 11 Deserts and Wind Erosion GLY 2010 – Summer 2012 Lecture 22 Photo by Bruce R. Thomas. copyright © 2005 - 7 Slide 2 22 What Is a Desert? May be hot, warm, or…

3.1 All biogeographic patterns are ultimately influenced by the geographic template Ch. 3: PHYSICAL ENVIRONMENT (abiotic conditions: Water, Heat and Rocksâ¦) SOLAR RADIATION…

The Atmosphere Atmosphere- A thin layer of gases that surrounds the Earth 78% nitrogen 21% oxygen 1% water vapor, argon, carbon dioxide, neon, helium and other gases The…

What factors affect climate? What factors affect climate? Dr. Michael J Passow DMAE Science 1 150 x 106 km SUN EARTH (92 x 106 mi) Energy from the Sun (mostly light and heat)…

Deserts are arid ecosystems that receive fewer than 25 centimeters (10 inches) of precipitation a year.