Ecology Flashcards
(6 cards)
1
Q
Population stages:
A
1) slow growth - population is slowly adapting to particular environment
2) exponential growth - high birth rates due to natural selection and resources
3) carry capacity - largest number of individuals that the environment can sustain
2
Q
Competitive exclusion principle
A
no two species can occupy the same niche in the same habitat at the same time
3
Q
Limiting Factors
A
Density Dependent and Density Independent
4
Q
Density Dependent
A
Factors affected by individuals in a given area
5
Q
Density independent
A
Environmental factors that limit populations
I.e. Climate/weather
Natural disasters
Human activity
6
Q
Definition of Ecology
A
Study of how life interacts with earth