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How Populations Grow
Population Growth
Limits to Growth
Biomagnification
100
The area inhabited by a population
What is geographical range
100
S-shape curve represents what type of growth
What is logistic
100
This is a factor that controls the growth of a population
What is a limiting factor
100
This is a substance that should not be in the ecosystem and is harmful
What is a pollutant
200
The number of individuals per unit area
What is population density
200
Maximum number of individuals of a particular species that a particular environment can support
What is carrying capacity
200
These are examples of limiting factors that are NOT dependent on the density of a population
What are climate and unusual weather events
200
This is what happens to a chemical as you go up through the trophic levels
What is it becomes more concentrated
300
The number of males and females of each age group a population contains
What is age structure
300
When does exponential growth occur?
What is under ideal conditions with unlimited resources
300
What are two factors that species compete for?
What is food, space, sunlight, any essential for life
300
This is the chemical caused birds eggs to be fragile and break easily
What is DDT
400
The process of individuals moving into a population
What is immigration
400
Describe the shape of an exponential growth curve
What is line should be a "j" shape
400
This is the factor that most impacts human populations
What is competition for resources
400
This is the chemical that can be found accumulating in ocean fish.
What is mercury
500
Name and give an example of each type of population distribution
Random-wildflowers, uniform-penguins, clumped-school of fish
500
How will a population change if its birth rate is less than its death rate?
What is the population size will decrease
500
These are examples of limiting factors that are dependent on the density of a population
What is competition, predation, disease/parasites
500
DDT was the reason for the writing of a famous environmental book. Name the book and author.
What is Silent Spring by Rachel Carson