Human Overpopulation Review

One of the greatest causes of population increase is tied to:

• improved health care

• worsening sanitary conditions

• lack of clean safe drinking water

• families have more children today than they used to.

Currently the world population is approximately:

• 10 million

• 1 billion

• 5 billion

• 7 billion

In the last 50 years this has happened to the earth's population:

• dropped by 50%

• Increased by more than half (more than doubled)

• stayed the same

• decreased in response to environmental stress

One of the greatest limiting factors to an ecosytems carrying capacity is:

• availability of a food supply and freshwater

• absence of good health care

• increase in sanitary conditions

• increased prevalance of disease

Increase in population can be tied to:

• decreased mortality rate

• increased mortality rate

• unchanged mortality rate

In general, the world population is:

• increasing

• decreasing

• remaining stable

• decreasing now but will be increasing in the future

A resource that will be jeopardized due to increase in population:

• freshwater

• saltwater

• size of the earth

• the sun's energy reaching the earth's surface

What experimentation was done in Inda to stop population growth ?

• mass vasectomy 
• Abortions 
• One child rule

Largest number of individuals of a population that the environment can support...  

• carrying capacity
• population crash
• lag phase
• mutualism

Tags

NGSS.HS-LS2-1

According the population pyramid Canada's population is _______________ 

• growing
• getting smaller