ISB 202 1nd Edition Lecture 13 Outline of Last Lecture I. ClimateOutline of Current Lecture II. Population DynamicsIII. CompetitionIV. Population Dispersion PatternsV. TerritorialityVI. Biotic PotentialCurrent LecturePopulation Dynamics- Properties of Populations- Population - all the members of a single species living in a specific area at the same timeForms of Social Organization- Solitary – Bears, Tigers, Rhino- Mating Pair – Many Birds- Large Groups – School of Fish, Hyenas, Lions, primates - Super-organisms – Social Insects (bees, wasps, ants, termites)Competition - Intraspecific – within the same species- Interspecific – between different species (niche overlap)Population Dispersion Patterns- Dispersion – the way organisms are distributed in their habitatThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.- Dispersal - the movement of organisms from one area to another- Immigration – incoming flow- Emigration – outgoing flow- Migration – Back and Forth- Immigrationo Incoming Flowo Move into an area of lower population concentrationo Move into an area with higher resource concentration - Emigrationo Outgoing Flowo Avoid Overcrowding o Environmental Stresso Resource Depletiono Behaviorally Induced- Migrationo Back and Fortho Seasonalo Genetic Hardwiringo Reduces Environmental ResistanceTerritoriality- An individual aggressively protects its home range.- The possessor of a territory has heightened aggression.- Territory Markerso Olfactory (smell)o Visualo Auditoryo Dominance Hierarchyo Pecking ordero Alpha Males and Femaleso Dominant maleso Matriarchal (dominant females)Biotic Potential- The rate at which a population would grow under ideal conditions- There are always limits to population growth in nature- Environmental Resistance – factors limiting the growth of a populationo (Competition, Resource Limits, Predation, Disease, Climate,
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