Population Dynamics
What type of population growth shows a J-shaped curve?
A. Logistic
B. Linear
C. Exponential
D. Stable
C
Both species benefit → ?
Mutualism
What is monocropping?
Growing one crop repeatedly
What is clear-cutting?
Removing all trees in an area
What is the largest use of freshwater globally?
Agriculture
What limits population growth as it nears carrying capacity?
Limiting factors
One benefits, one unaffected → ?
Commensalism
A major downside of monocropping is
Increased pest vulnerability
One impact of deforestation
Loss of biodiversity
What is aquifer depletion?
Groundwater used faster than replenished
Which is density-dependent?
A. Flood
B. Disease
C. Wildfire
D. Drought
B
Predator-prey relationships are an example of what interaction?
Predation
What is crop rotation used for?
Maintain soil nutrients
What is selective cutting?
Removing specific trees only
What is saltwater intrusion?
Ocean water entering freshwater aquifers
What does carrying capacity represent?
Maximum population an environment can sustain
What happens when two species compete for the same niche?
Competitive exclusion
Which farming method reduces erosion the most?
A. Clear-cutting
B. Terracing
C. Overgrazing
D. Flood irrigation
B
Slash-and-burn agriculture leads to
Soil nutrient loss
Which irrigation method is most efficient?
A. Flood
B. Furrow
C. Drip
D. Spray
C
What survivorship curve has high early mortality?
Type III
Keystone species have what kind of impact?
Disproportionately large impact
What is overgrazing?
Animals graze faster than plants regrow
What is desertification?
Land becoming desert due to misuse
What is runoff?
Water carrying pollutants into waterways