5.1- How Populations Grow
Several individuals are packed closely together.
What is..Clumping?
__________ determine the carrying capacity of an environment for a species.
What is, limiting factors.
Exponential growth continue until the second half of the twentieth century and peaked around ______.
What is 1959?
A maximum number of individuals of a particular species that a particular environment can support?
What is, carrying capacity?
How many Lessons were in Chapter 5.
What is, 3 Lessons?
If birth rate> death rate, then the population__________.
What is ... increases?
If carrying capacity falls low enough populations can be __________.
What is, wiped out
What man was an English Economist that stated that populations increased more quickly than food supply.
What is, Thomas Malthus?
A dramatic change from high birth rate and death rate to low birth rates and death rates.
What is, demographic transition.
There are _____ stages in demographic transition?
What is, 3 stages?
What are the Phases of Growth?
What is..
Phase 1- Grow rapidly ( resources are unlimited, few individuals die)
Phase 2- Groth slows due to limiting factors ( Competition)
Competition is which a limiting factor?
What is, density-dependent limiting factors
Greater% of ________ people = a growing population.
What is, young people?
Under ideal condition's with unlimited resources, a population will increase exponentially.
What is , Exponential Growth?
Families would have many ______ just to make sure that some would survive.
What is, Children?
Graph that shows a J shape curve is called?
What is... Exponential growth?
Any factor that controls the growth of a population.
What is, Limiting factor.
Three social and economic factors that affect human population growth .
What is, Birth rates, death rates & age structure?
How many males and females of each group are in a population.
What is, Age Structure?
A populations growth slows and stops.
What is ,Logistic growth?
Logistic Growth Curve shows what shape?
What is... S Shaped curve?
_________ and ______ spread easily among density- dependent limiting factors.
What is ,Parasitism & disease?
Scientific study of human population.
What is, demography?
Compares the number of people in different age categories.
What is, Age structure diagram?
What event occurred in 2019 that was a liming factor to human population?
What is, COVID 19