BYUI BIO181 Unit 1 Ecology Questions and Answers(A+ Solution guide)

Organism - Answer-A living thing Population - Answer-A group of interbreeding organisms coexisting together (limited by time and location) Natural boundary - Answer-Mountains, rivers, oceans, etc Artificial boundary - Answer-mowed grass, man-made structures Community - Answer-different species within an area and the interactions within and among these species Heterospecifics - Answer-members of different species Ecosystem - Answer-All the biotic components in an area with the abiotic components Biome - Answer-Large areas of land with similar climate, flora (plants), and fauna (animals) Biosphere - Answer-All of the parts of earth inhabited by life Biotic - Answer-living things Abiotic - Answer-Non-living things (gases, liquids, minerals, energy) Optimal zone - Answer-zone where a stable healthy population survives and reproduces Zone of stress - Answer-zone where small numbers can survive these difficult conditions, they focus on surviving Zone of intolerance - Answer-zone where organisms cannot surviveBiogeography - Answer-study of the distribution of organisms around the world Endemic species - Answer-species that are native to and found only within a limited area Hadley Cell - Answer-Convection Currents that cycle between the equator, 30 degrees North and South. Ferrel Cell - Answer-Cell that moves air form 30 degrees to 60 degrees latitude Polar cell - Answer-Cells of air circulation occurring between 60 degrees north and south and each pole. Coriolis effect - Answer-The effect of Earth's rotation on the direction of winds and currents. (EWE) nutrient cycling - Answer-The circulation of chemicals necessary for life, from the environment (mostly from soil and water) through organisms and back to the environment. Thermocline - Answer-a steep temperature gradient in a body of water such as a lake, marked by a layer above and below which the water is at different temperatures. Evapostranspiration - Answer-The process of water being transferred from the land to the atmosphere by evaporation from soil and other surface and by transpiration from plants