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Ch 5- Review #2
Test Description: Biodiversity, population, habitats
Instructions: Answer all questions to get your test result.
1) A species with broad niches that can use a wide array of habitats and resources is called____?
A
Specialist
B
Generalist
C
Opportunist
D
Natural Selection
2) Which of these is not a type of population distribution?
A
uniform
B
random
C
segregated
D
clumped
3) The number of individual organisms present at a given time is known as ________.
A
Population characterists
B
Population density
C
Populatin size
D
Population distribution
4) The crude birth or death rates are per _________ individuals.
A
1 million
B
1000
C
10
D
100
5) _______________ growth increases by a fixed percent.
A
K- selected
B
Limiting
C
Exponential
D
Logistic
6) A logistic growth curve is ___-shaped
A
J
B
S
C
U
D
bell
7) What are density dependent factors?
A
events such floods
B
limiting factors whose influence is affected by population density
C
landslides
D
limiting factors which influence is not affected by population density
8) K- selected species have the following characterists, except one. Choose the incorrect characteristic
A
stabilize at or near carrying capacity
B
Have a low biotic potential
C
good competitors
D
little parental care
9) Which of these species is least vulnerable to extinction?
A
A species with a population size of 50 individuals
B
A species distributed througout the United States
C
A species that lives on mountaintops
D
A species that eats only river snails
10) The process of selection conducted under human direction is called ________.
A
Adaptive traits
B
Natural selection
C
Artificial selection
D
Allopatric speciation
*select an answer for all questions
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