Summaries For Population

Question 0

Ecological succession

Answer 0

The gradual change in the composition of species in a given area (one species replaces another).

Question 1

Two major factors that effect the numbers of species in a community

Answer 1

The latitude in terrestrial communities

Pollution in aquatic systems

Question 2

Four aspects of a self sustainable community

Answer 2

1. Its persistence
2. The ability to resist being altered
3. Its constant population
4. Its resilience in repairing damage
   * high biodiversity

Question 3

Birth, death, and migration rates

Answer 3

They determine population size.

Ex:
Birth rates increased in developed countries, but the population went up due to immigration
Fertility rates went down, but it is still above above replacement level.

Question 4

Age structure

Answer 4

Age structure affect population.

Women past primary birth years (15-40)-> low population increase
Women in early primary birth years-> high population increase

Question 5

Family size & child care

Answer 5

Smaller families are better for the environment

Lack of health care, protection, and care from parents

Question 6

Country examples

Answer 6

China and India

China- one child policy-> fine for more than one child

India- desire for male children (same for China) and no care for the elderly

Question 7

Slowing population growth

Answer 7

Investing in family planning

Reducing poverty

Elevating the status of women