![]() The stratosphere, or outer layer, stretches 11-30 miles above sea level and contains ozone (O3). It contains most of the planet's air, which consists of nitrogen (78%) and oxygen (21%). Its inner layer is called the troposphere and reaches only 11 miles above sea level. The atmosphere is a thin, gaseous layer of air that envelops the planet. Temperatures of - 128° F (-89° C) have been recorded at Vostok station in Antarctica. The highest temperatures on Earth have reached 136° F (58° C) at Al Asisiyah, Libya. Water covers approximately 139,500,000 square miles, or 71% of the total surface area. Approximately 57,300,000 square miles, or 29% of the total surface area is land. Earth's axis is tilted at a 23.5° angle.Įarth has a total surface area of 196,800,000 square miles. It makes one full revolution around the sun every 365 days, 6 hours, 9 minutes, and 9.45 seconds. The planet rotates once every 23 hours, 56 minutes, and 4.09 seconds. It is estimated to be over 4.5 billion years old. Information on habituation and its history.Earth is the third planet, and 93,000,000 miles (150,000,000 km.) from the sun. Information on operant conditioning and its history. Information on classical conditioning and its history. Lepus Californicus - Black-Tailed Jackrabbit Įxtensive information on the black-tailed jackrabbit. Information on Crassulacean acid metabolism. "Metabolic Switch" For Desert Survival - Īn experiment designed to investigate the ability of desert mammals to lower their metabolism in times of food shortage. Physiological Adaptations In Desert Birds - Īn investigation into the physiological adaptations of desert birds. Large Ears Used To Cool Off: Jackrabbit - Ī case study of the jackrabbit, explaining how it uses its ears to cool itself.Īnatomy And Physiology Of Animals/Urinary System Īn investigation into the urinary system of animals and how it adapts to suit the environmental conditions. How Animals Survive Temperature Extremes - Īn in-depth look at adaptations allowing animals to survive in harsh environments with case studies and examples. Discussing structural, physiological and behavioural adaptations with case studies for each.Īdaptations Of Desert Animals And Plants - Ī description of adaptations in animals, with examples of adaptations exhibited by desert plants and animals.Īdaptations Of Desert Plants - The Encyclopaedia Of Earth - Īn in depth description of the adaptations displayed by plants in arid environments United Nations Environment Programme - Adaptations Of Animals To Aridity - Ī description of how animals adapt to arid environments. National Geographic - Monarch Butterfly - Ī profile of the Monarch Butterfly, including information on distribution, size and weight, characteristics and natural history.Ī detailed description of the Coyotebrush, including distribution, characteristics, flowering times, environmental requirements and adaptations to the environment.Ī detailed description of the Common Sagebrush, including distribution, characteristics, flowering times, environmental requirements and adaptations to the environment.Ī detailed description of the Olive Tree, including distribution, characteristics, flowering times, environmental requirements and adaptations to the environment.īlue Planet Biomes - Mariposa Manzanita - Ī detailed description of the Mariposa Manzanita, including distribution, characteristics, flowering times, environmental requirements and adaptations to the environment. The Animal Files - Western Spotted Skunk. Information on the Mouflon, including a description, natural history, behaviours and characteristics.Ī profile of the Mountain Lion, including information on distribution, size and weight, characteristics and natural history.Ī profile of the Coyote, including information on distribution, size and weight, characteristics and natural history. Information on the California Mouse, including a description and natural history. A brief description of the Chaparral biome, including its location, climate, animal and plant life, environmental issues and a few examples of both plant and animal species.Ī description of the Chaparral biome, giving an overview of its weather and climate, as well as animal and plant life.Ī description of the Chaparral biome, including defining characteristics, climate, flora and fauna.Ī description of the Chaparral biome, its location, climate, environmental conditions and the adaptations of the plant life that inhabits the biome.Ī description of the Chaparral environment with information about location, weather, animal life, plant life and how humans interact with the Chaparral environment.Ĭalifornia Chaparral Institute - Home Page - Įxtensive information on every aspect of the Californian Chaparral.Ī profile for Anna's Hummingbird, with characteristics, behaviours and distinguishing features.Ī profile for the Red-Shouldered Hawk, with characteristics, behaviours and distinguishing features. ![]()
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