What is population?
what is the amount of people in an area, place, or location.
Where is population density highest?
Cities
What is population growth.
The increase of people in the world.
What is population distribution?
how the population is spread across the world.
The phrase that refers to "things that slow growth of a population"
Limiting factors
How can we measure population?
By using population density, population distribution, and population growth.
How do we calculate population density?
population per unit area
How does population grow?
If the birth rate is higher than the death rate.
What are the three types of population distribution?
Random, clumped, uniform
Natural disasters and severe weather are examples of...
Density INDEPENDENT limiting factors
Does population affect the world in many ways?
Yes!
Can population density harm an area?
Yes it can!
Can population growth make the Earth´s resources depleat, and perish?
Yes it can
Is population spread evenly aross the world?
No it is not.
Four examples of density-dependent limiting factors
competition, Predation,Parasitism, disease
Why is population íncreasing?
Because of advances in modern technology and agriculture
Does population density positivly affect an area in some cases.
Yes it does!
Is it healthy for the planet for the population to continue growing as it is today? why?
No, we will overrun the planet and use up the resources
What type of population distribution exists in most cities?
Uniform
The type of growth seen in the human population
Exponential growth
What are the consequences of overpopulation?
environmental breakdown, low resource, and increased risk of conflict and disease
Why is population density high in a places such as France?
because the landscape is desirable.
Trick question: how many people lived in the 1800s
1 billion.
What factors affect population distribution?
Landforms (mountains, lakes, oceans), resources, accessibility, political or state/country boundaries
How many people live on Earth approximatly?
8 billion people