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Ecology, Exam 1 study- guide

by: Rheanna Gimple

Ecology, Exam 1 study- guide LIFE 320

Marketplace > Colorado State University > Biology > LIFE 320 > Ecology Exam 1 study guide
Rheanna Gimple

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About this Document

Physical Environment, Evolution/Life Histories, and Energy
Dale R Lockwood
Study Guide
Ecology, Biology, environmental, Science, Animal Science
50 ?




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This 1 page Study Guide was uploaded by Rheanna Gimple on Monday September 19, 2016. The Study Guide belongs to LIFE 320 at Colorado State University taught by Dale R Lockwood in Fall 2016. Since its upload, it has received 88 views. For similar materials see Ecology in Biology at Colorado State University.


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Date Created: 09/19/16
Exam 1 Study Guide: To find solute potential, use S = - (i CRT) i = ionization constant (assume it’s 1) C=molar concentration o R = pressure constanto(R=0.00831 liter MPa/mole* K) o T = temperature in K (room temperature’s about 293 K) S = Solute potential if cell is in equilibrium with surroundings, solute potential is same inside and outside of the cell Salinity and Acidity variations between environments don’t necessarily inhibit life, but rather drive adaptations to make a generally hostile environment habitable  This goes for other variations that may seem harmful as well (i.e. low oxygen content) Insolation: the amount of light that penetrates the atmosphere  Tends to decrease as latitude increases and drops off more intensely as you get closer to each pole  Also, varies more throughout the seasons as latitude increases Ecological changes in biomes and biodiversity are typically due to a variety of biotic and abiotic reasons  Human driven aspects, CO con2entration, temperature change, etc. Biomes are dependent on Temperature, Elevation, Precipitation and Latitude  Huge diversity within each biome classification  Temperature and Precipitation broadest classification system for Biomes Organisms only have a certain amount of energy, so they must allocate it in different proportions to growth and reproduction  Size v. number of offspring  Number of offspring v. parental survivorship  Semelparity v. Iteroparity  Rates of senescence appear to be under natural selection


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