Study Biology
Login
Sign up for free
Course
Ecology
Study Pack
Ecology Evolution Application Integration
Course
Ecology
Study Pack
Set 1: Introduction to Ecology
Unlock Set
Set 2: Adaptation and Evolution
Unlock Set
Set 3: Adaptations to the Physical Environment
Unlock Set
Set 4: Terrestrial Communities
Unlock Set
Set 5: Fresh-water and Marine Communities
Unlock Set
Set 6: Behavioral Ecology
Unlock Set
Set 7: The Ecology of Intraspecific Variation
Unlock Set
Set 8: Demography
Unlock Set
Set 9: Population Regulation
Unlock Set
Set 10: Life History Strategies
Unlock Set
Set 11: Competition
Unlock Set
Set 12: Coevolution I Exploitative Interactions
Unlock Set
Set 13: Mutualism
Unlock Set
Set 14: The Structure of Communities
Unlock Set
Set 15: Ecological Succession
Unlock Set
Set 16: Species Diversity
Unlock Set
Set 17: Energy Flow and Trophic Structure
Unlock Set
Set 18: Biogeochemical Cycles
Unlock Set
Set 19: Conservation Biology
Unlock Set
Set 20: Landscape Ecology
Unlock Set
Set 21: Human Global Ecology
Unlock Set
Set 9 Population Regulation
✕
Back to Sets
Unlock Set
Set 9 Population Regulation
Question 1
(Multiple Choice)
Free
The effect of wolves on elk in Yellowstone is an example of
A) a bottom-up interaction.
B) a top-down interaction.
C) symbiosis.
D) trophism.
E) none of the above
Answer
Unlock to view answer
Question 2
(Multiple Choice)
Free
Which of the following are characteristics of biological control agents?
A) a broad host range
B) low reproductive pontential
C) life-cycle synchrony
D) bottom-up control
E) none of the above
Answer
Unlock to view answer
Question 3
(Multiple Choice)
Free
In the equation dN/dt = rN(1-N/K),
A) r is the net reproductive rate.
B) K is the carrying capacity.
C) dN/dt is simplified to N/t.
D) the term 1-N/K models top-down effects.
E) none of the above
Answer
Unlock to view answer
Login to view all 34 questions & answers