Class Notes Biology 1006
Popular in Ecology and the Evolution of Organisms
Popular in Biological Sciences
This 5 page Class Notes was uploaded by Jennifer Pacicco on Friday February 13, 2015. The Class Notes belongs to Biology 1006 at George Washington University taught by Tara Scully in Winter2015. Since its upload, it has received 132 views. For similar materials see Ecology and the Evolution of Organisms in Biological Sciences at George Washington University.
Reviews for Class Notes
Report this Material
What is Karma?
Karma is the currency of StudySoup.
You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!
Date Created: 02/13/15
Climate The Sun 0 Radiation of heat 0 Energy of movement Lower energy solid As molecules move they want to move away from each other 0 Temperature Kelvin Celsius Fahrenheit 0 Ozone o Filters radiation 0 Keeps in heat 0 Electromagnetic Radiation o Visible light 0 UVlight 0 Heat Atmospheric gases 0 Absorb heat radiating from Earth s surface Carbon dioxide Water Vapor Nitrous Oxide Location Location Location 0 Temperature changes as you ascend into the atmosphere 0 Elevation 0 Similarity between plant growth depends on the similarity in a ude Light and location 0 Angle of incoming light relative to global position 0 Visible light 0 UV light 0 Heat 0 Sunlight strikes the equator directly 0 The tilt allows for less sunlight to be available throughout the day 0 Changes in seasons tilt and location of the earth around its orbit of the sun 365 days Seasonal changes due to proximity of the hemisphere Earth wind and the stuff that puts out re 0 Air exposed to sun will warm at the surface o More sun more heat more expansion 0 Hot air can hold water 0 Into atmosphere cool down fall back 0 Where does it go o Dictates air currents along the currents of the earth and the currents in the atmosphere 0 Hot air rises 0 Moves towards the poles The air that rises cools then goes back towards the surface 0 Giant convection cells 0 Four stable and two variable Two polar Two tropical Two in between 0 Solar radiation plus rotation of the earth Easterlies winds from the east Westerlies winds from the west Water 0 Water goes to the air 0 Evaporation o Transpiration 0 Why Heat Wind 0 Water goes to the surface 0 Precipitation 0 Why Convection cell air moving into atmosphere 0 Ocean and large lakes 0 Water absorbs releases heat slowly o Moderates temperature in surrounding landmass Ocean Currents 0 Water circulates around the world 0 Moderates temperature around the world 0 In uenced by Rotation of Earth Differences in water temperatures Directions of prevailing winds Gravitational pull of both sun and moon Elevate me o Mountains 0 Elevation Windward side 0 Difference in temperature 0 Promotes precipitation Leeward side 0 Air moves from cold to warm 0 No moisture 0 Rain shadow Weather or Climate that is the question 0 Current state 0 We look for trends to allow for predictability 0 Tropical regions 25 times more 0 Warmth 0 Moisture 0 Wind predictability 0 Stability in climate 0 More warmth moisture and sunlight increased productivity 0 Biomass o Biodiversity o More producers and consumers Weather Patterns 0 La Nina cooler air and water 0 El Nino warm air and water 4 main abiotic factors Temperature Moisture Solar exposure Altitude Atmospheric gases Water 0 Proximity to land 0 Currents Life Wind Solar Exposure Light 0 Tilt Rotation Latitude Ecology Human Impact Introduced Species Zebra Mussels Economic cost 120 billion Interactions with the Environment 0 Web of interconnected relationships 0 Example 0 Australian Dingos Remove dingoes to protect sheep Increased Kangaroos Kangaroos change plant population Terrestrial Biomes All the factors that we contribute affect the distribution of terrestrial biomes Aquatic Biomes In uencing factors 0 Terrestrial biomes Land topography Nutrients from terrestrial biomes 0 Climate Temperature rainfall and wind Seasonal changes and major El Nino 0 Physical characteristics Salt concentration depth movement What is a Population 0 Group of interacting individuals of a single species in a speci c area 0 Population size 0 Population density 0 How do ecologists put a number on a population size What characteristics of populations make them challenging to count Swimming ying microscopic hard to reach places range How do ecologists count 0 Mark and recapture 0 Different times of day seasons 0 Sample mark and resample area for organisms Quadrats o Subset of area that the population lives in 0 Usually a circle or square Transects 0 Lines that bisect the area of intersect 0 Individuals counted along the line Changes in population size 0 Changes in size over time 0 Increasing Birth rate Immigration 0 Decreasing Death Rate 0 Dependent on environmental factors Patterns of Population Growth 0 J shaped in exponential growth 0 S shaped in populations with limits Irregular uctuations Exponential Growth Increase by a constant rate Forms a J shaped curve Doubling time Why New habitat Logistic growth 0 Population growth with limits 0 S shaped curve Carrying capacity 0 Does not allow population above a certain size
Are you sure you want to buy this material for
You're already Subscribed!
Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'