19.2 - Population Growth & Regulation

Question 1

Exponential growth

Answer 1

J-shaped, growing fast with unlimited resources

Question 2

Logistic growth

Answer 2

S-shaped, limited resources, maintained around a carrying capacity

Question 3

Carrying Capacity

Answer 3

K, the max amount of organisms that a region can sustain

Question 4

Intraspecific Competition

Answer 4

Individuals from the same species competing for resources

Question 5

Interspecific Competition

Answer 5

Individuals from different species competing for resources

Question 6

Limiting factors

Answer 6

Factors that affect the maximum number of the carrying capacity

Question 7

Density dependent limiting factors

Answer 7

Occurs based density: Predation, competition, parasites, diseases, migration

Question 8

Density independent limiting factors

Answer 8

Occurs regardless of density: Weather, natural disasters, pollution, temperature, sunlight, human activities

Question 9

K-selected species

Answer 9

Few offspring with long lifespan and die around the same time, many resources provided; Many large animals

Question 10

R-selected species (R-rats)

Answer 10

Many offsprings but little resources, many die and only a few live a full lifespan