<p> Population Ecology - Chapter 36</p><p>Population - Group of individuals of a single species that occupy the same general area. </p><p> Population density = ______</p><p>Examples: – The number of oak trees per square kilometer in a forest. – The number of earthworms per cubic meter in forest soil.</p><p>Dispersion patterns - Way individuals in a population are spaced within an area. </p><p>1. Clumped dispersion individuals are...</p><p>* ______dispersion pattern. * Result of...</p><p>2.Uniform dispersion individuals are...</p><p>*Result of...</p><p>3.Random dispersion individuals in a population are spaced in an... * ______dispersion pattern.</p><p>Survivorship curve - A plot of the proportion of individuals alive at each age.</p><p>1.Type I Survive to... example: Humans, large mammals note: Produce few offspring & provides good care. </p><p>2.Type II Likelihood of death ______throughout life. example: Lizards, rodents, birds. </p><p>3.Type III Low survival rate for the... Example: Oysters, invertebrates, seed plants note: Produce large numbers of offspring, & little care. Exponential Growth Model Gives an idealized picture of ______population growth. Occurs when ______ Population ______every generation Ex. Population grows from ______ Example: Bacteria, humans, rabbits</p><p>Logistic Growth Model Growth that occurs when there are ______ Limiting factors - Environmental factors that ______. Food, competition, space, predation Population will grow quickly (______) at the beginning then will level off (______) when the population reaches the environment’s ______ Carrying capacity – Maximum number of individuals that an environment can support based off the resources available (based off of the limiting factors)</p>
Details
-
File Typepdf
-
Upload Time-
-
Content LanguagesEnglish
-
Upload UserAnonymous/Not logged-in
-
File Pages2 Page
-
File Size-