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Biology Chapter 16 Study Guide
1.
What is the definition of species?_________________________________________________
2.
What is a biotic factor?__________________________________________________________
3.
What is an abiotic factor?________________________________________________________
4.
Name 4 density dependent factors: ________________________________________________
_________________________, _________________________, ________________________
5.
Name 4 density independent factors: ______________________________________________
_________________________, _________________________, ________________________
6.
What is carrying capacity? ______________________________________________________
____________________________________________________________________________
7.
Name 2 characteristics of a K-strategy organism:__________________, __________________
8.
Name 2 characteristics of a R-strategy organism:__________________, __________________
9.
If a countries largest population percentage is mostly in post-reproductive in age, how rapidly
will the population grow?_______________________________________________________
10.
If a countries largest population percentage is mostly of-reproductive age, how rapidly will the
population grow?______________________________________________________________
11.
What is the definition of a population? ______________________________________________
12.
What is population density? _______________________________________________________
13.
What does Hardy-Weinberg say about the gene ratios of a population?_____________________
______________________________________________________________________________
14.
What is an ecosystem?____________________________________________________________
15.
What is a population pyramid?_____________________________________________________
16.
How does a population pyramid predict future population growth?__________________________
_______________________________________________________________________________
17.
What is the significance of a J-shaped curved population growth graph? _____________________,
_______________________________________________________________________________
18.
What is the significance of a straight line population growth graph? ________________________
_______________________________________________________________________________
19.
Give an example of a “direction change”?_____________________________________________
20.
Give an example of a “stabilizing change”?____________________________________________
21.
Give an example of a “destabilizing change”?__________________________________________
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22.
What are polygenic traits?_________________________________________________________
23.
What happens when you have not random mating?______________________________________
______________________________________________________________________________
24.
What is hemophilia?______________________________________________________________
25.
What is color blindness?___________________________________________________________
26.
What is a mutation? ______________________________________________________________
27.
Why do genes stay in a population even though they may got be helpful? ___________________
_______________________________________________________________________________
28.
Genetically speaking, why is inbreeding like in the royal families of Europe a bad thing? _______
_______________________________________________________________________________