19.2 - Factors Affecting Populations Flashcards
Characteristics of population growth curves The concept of carrying capacity Limiting factors that constrain population growth
1
Q
What is a population growth curve?
A
Represents number of organisms in a population over time
2
Q
What are the three phases of a population growth curve?
A
Slow growth
3
Q
What is carrying capacity?
A
Maximum population size an ecosystem can support
4
Q
What happens when a population reaches carrying capacity?
A
Birth and death rates equalize
5
Q
What are limiting factors?
A
Conditions preventing indefinite population growth
6
Q
What are examples of limiting factors?
A
Biotic factors (competition
