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Exercise and reference answers

Upper category
Increase
Lower category
Decrease
Items
  1. Category
    Increase
    Item
    Natality
  2. Category
    Increase
    Item
    Births
  3. Category
    Increase
    Item
    Immigrate
  4. Category
    Increase
    Item
    Arrivals
  5. Category
    Decrease
    Item
    Mortality
  6. Category
    Decrease
    Item
    Deaths
  7. Category
    Decrease
    Item
    Emigrate
  8. Category
    Decrease
    Item
    Leavers
Instructions
Send each clue to the track that increases population or the track that decreases it.

Explanation

_Source: syllabus Biology, Chapter 13, Organisms and Populations._
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