Population Pyramids
Population Distribution
Population Density
Limiting Factors
100
Is population growing or declining in this pyramid
Declining
100
What is population distribution?
how the population is spread across the world.
100
What type of population density exists in most rural areas? (Low/High/Uniform/Clumped)
Low
100
What is a limiting factor in an ecosystem?
A factor that restricts the growth, abundance, or distribution of a population.
200
Rapid Growth
200
What are the three types of population distribution?
Random, clumped, uniform
200
Lots of organisms in a small area of land
High density
200
Which of the following is a limiting factor that could decrease a population: food scarcity, abundance of water, or stable climate?
Food scarcity.
300
Where do we look when determining population growth on a pop pyramid?
The bottom. Young generation
300
Population distribution of humans on Earth?
It is clumped.
300
Small amount of organisms in a large area of land
Low density
300
How would a sudden disease outbreak act as a limiting factor for a population?
It can decrease a population by increasing mortality rates or reducing reproduction.
400
What does the amount of old people tell us about the population?
Whether the area is developed or not.
400
Population distribution of flowers in a field
Random
400
If their are 400 foxes in a 4 miles area. What is the population density? How many foxes per mile?
100 foxes/mile
400
Identify a limiting factor that would be most critical in a desert environment
Water availability.
500
What is the population growth of the untied states?
Slow growth.
500
Population of Tomato Trees that were planted.
Uniform
500
If their are 200 students in the court yard and the court yard is 5000 square feet. What is the population distribution. (How many students per feet?)
.04 students/feet.
500
How does predation act as a limiting factor in an ecosystem?
Predation controls population sizes by removing individuals from prey species.