Review q uestions
1,. What is a lichen and what kind of symbiotic relationship is it an example of?
2. What characterizes primary succession?
3. Give some examples of where primary succession occurs.
4. What characterizes secondary succession?
5. Give some examples of where secondary succession occurs.
6. What is old field succession?
7. What is glacial succession?
8. What is succession after a lava flow?
9. Define independent variable; what axis do you plot it on for a graph?
10.Define dependent variable; what axis do you plot it on for a graph?
11.What is the difference between discrete and continuous variables?
L2.What is an experimental control?
13.What is a pioneer community; when does it occur during succession; what
are some examples of r-selected species?
14.What is a climax community; where is-it found during succession; what are
some examples of k-selected species?
15.What are the qualities of r-selected and k-selected species?
15.What are the qualities of a moderate disturbance; give some examples?
17.What are the qualities of a high intensity disturbance; give some examples?
18.What is a keystone species?
19.Why are keystone species so important to the environment?
2O.What happens if the keystone species is removed?
21.What is an architectural keystone and how is it related to a keystone
species?
Z2.What is ecological equilibrium; and during what phase of succession can
this be witnessed?
23.What were the variables/factors that effected the Pika population the
\
most?
24.What is resilience, fragility, and community structure and how are they
related to ecosystem stability?
BiologY I
Unit I Test #2 Review
Vocabulary Terms:
Primary Succession
Secondary Succession
Ecological StabilitY
Ecological FragilitY
Ecological Resilience
Ecological Equilibrium
Ecological Disturbance
Pioneer Species
k-selected Species
r-selected SPecies
Climax CommunitY
Hardiness
SustainabilitY
Keystone SPecies
Lichen
1. Primary Succession (3):
o
.
.
Describe lichens and state their importance to succession'
Where would primary succession occur?
Identify the characteristics of primary succession'
2. Secondary Succession (3):
Give examples of secondary succession'
Identify the characteristics of secondary succession.
What is "Old Field" Succession?
3. Pioneer (r-selected) Species (3):
Give examples of r-selected species'
What are the characteristics of a pioneer species?
o
o
.
o
o
o
.
Give examples of k-selected species'
What are the characteristics of k-selected species'
5. Climax Community (3):
.
.
Define "Climax Community"'
Describe the characteristics of a Climax Community'
o
Describe the impact moderate disturbances have on an
6. Moderate Disturbances (1):
o
ecosYstem.
_
What wotrld be considered a moderate disturbance?
7. High Intensity Disturbances (2):
. Give an example of a high intensity disturbance.
o why are high intensity disturbances so detrimental?
B. Ecosystem Stability (8):
. Describe/explain the four factors of ecosystem
stab ility ...Fragility, Resilience, Biotic/Abiotic, and Community
o
o
Structure
Define "Keystone Species" and provide an example.
Why are Keystone Species so critical to an ecosystem?
9. Pikas (1):
o
What variables did you research in and how might they
impact Pika PoPulation size?
o
.
.
o
Dependent vs/ Independent variables
Discrete vs/ Continuous variables'
Identify the control in an experiment'
How are variables plotted on a graph?
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I
Test questions will be developed from your lecture not€s' vocabully P":,|<11-t-d-Y:*{li$::::
qu"ition for."twill be: 25 multiple-choice questions, T true/false
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questions, and 1 essay question.
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There is an after school study session on Friday'
to/g/15 in room 923 with Ms. campbell.
studyhardandgoodluck!
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