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anonymous

  • one year ago

list the four properties that scientists use to predict population sizes. Also, include the definition of each of the properties. Define the type of scientists that study populations.

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  1. Shikamaru11
    • one year ago
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    well they are called Demographers and study of population is called demography current population species - genetic diversity (e.g. cheetahs have a low genetic diversity, however they have evolved to minimise the effect this has on birth defects, however low genetic diversity typically makes a population less resislent to viruses) - habitat fragmentation/contiguity (i.e. can the population move to other habitats, either for breeding, migration, feeding, or because of loss of habitat) - climate (and perhaps climate change) (e.g. if temperatures warm will the populations increase/decrease, if rainfall declines will the species persist - especially important for plant populations - also could be a factor if fires are a related side effect, as many species have evolved to a particular fire regime and changes in this fire regime may affect populations) topography (e.g. elevation, aspect, terrain) (I did a study on predicted the distribution of a tree species, and statistically topography was important, as the species was able to outcompete other species at a higher attitude and the inverted tree line also limited the species population) - influence of predators or competition (e.g. if fox populations are modelled to increase the rabbit population could be modelled to have a short-term decline) :D

  2. anonymous
    • one year ago
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    ty you're a lifesaver!

  3. Shikamaru11
    • one year ago
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    hahahahw don't embarass me ma'm @kittymeow101 :)

  4. anonymous
    • one year ago
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    Lmao dont take it as embarrassing take it as a compliment cx

  5. Shikamaru11
    • one year ago
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    oh ok nice

  6. Shikamaru11
    • one year ago
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    and same :D wishes for you ma'm @kittymeow101

  7. anonymous
    • one year ago
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    ty cx

  8. Shikamaru11
    • one year ago
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    no welcome :D stay happy

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