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Ecology Reading Questions 6-5*


Period 3

Bi Br Cam Cau Co Cu Da
De Fe Ga Gr Han Har Hog Je Jo
Mab Mar Mas No Pen Per Py
Se Sh Su We Wi   Wo   Not listed

Period 4

An As Bea Ber Br Ca Co Da De
Ga Hi Hol Je Kn Ku La Nu
Po Qi Qu Ra So Tha Tho Ti Tu
Va Webb Webe Wy Ya Not listed

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Period 3rd Ecology     4th Ecology    

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Starting on Page 117.

1. Most populations live in or .


2. Populations differ in factors such as , , and .


3. Three general patterns of population distribution or dispersion in a habitat are


4. Give one example of clumping or patches from the book.


5. The locations and sizes vary with the .


6. What are 4 reasons why populations clump?


7. Organisms with random distributions are fairly .




Page 118

8. What are four variables that determine population sizes?


9. Population change = ( + ) - ( + )


10. What are the three age structure categories for an age structure diagram?


11. The size of a population will likely increase if it is made up of mostly


12. Species vary in their biotic potential or .


13. What does r stand for?


14. No population can grow indefinitely because of limitations on and between species for those resources.


15. List the seven limiting factors mentioned in the textbook.


16. is the combination of all factors that act to limit the growth of a population.


17. The biotic potential and environmental resistance determine the or the population of a given species that a particular habitat can sustain indefinitely without being degraded.


18. or starts slowly but then accelerates as the population increases.


19. Exponential growth has a growth curve.


20. involves rapid exponential population growth followed by a steady decrease in population growth until the population size levels off.


21. The logistic growth curve over time is a sigmoid or curve.




Page 119

22. Species with a capacity for a high rate of population increase (r) are called species.


23. r-selected species usually have many offspring and give them little or no or .


24. List 5 examples of r-selected species.


25. tend to reproduce later in life and have a of offspring with fairly life spans.


26. Where do K-selected species typically develop?


27. List four characteristics of K-selected species reproductive patterns.


28. Why are K-selected species called "K-selected"?


29. List five examples of K-selected species.


30. What reproductive patterns do most animals have?







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