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9.1

QuestionAnswer
Mining has a ______ impact on habitats when it pollutes soil and water. negative
The ______ increase in human population happened in the last few centuries. greatest
The human population is about 6.7 ________. billion
Carrying capacity is the ______ number of individuals of a given species that Earth's resources can support. largest
When did the human population reach 1 billion people? 1850
When did the human population begin to increase sharply? around the 1800's
What is carrying capacity? the largest number of individuals of a given species that Earth's resources can support and maintain for a long period of time.
What likely happened to resource availability when Species X reached its carrying capacity? the population will go down.
What is a population? all the members of a species living in a given area.
What is a population explosion? a sudden rise in human population in human population that has happened in recent history
In what year did humans experience a population explosion? the 1800's
What reasons might have led to the population explosion? Improved health care, clean water, and other technological advancements
How many people live on Earth today? 6.7 billion
Does Earth have enough resources to support the human population? it depends in what country you live in
What does resource mean? collective wealth of a country
Improved health care means _________ our population will grow
What might happen to resources if the population continues? people might die and we will might make our country bigger
How long did it take the human population to double to 2 million people? 1800's and 1900's
Do you think we will continue the growth of our population? yes, because we will have better technology and new medicines to cure some diseases
How has the human population grown over the past 2000 years? people having children and having improved heath care
What factors might have led to the increase in the population of Species X? having improved health care
What might happen to the amount of resources on Earth if humans exceed their carrying capacity? a lot of people might die because we wont have enough resources
What is the growth of the human population for most of human history? linear growth (straight line) steady growth
What happened to Species X when it reached its carrying capacity? the population went down and back up again
What will happen if Species X exceeds its carrying capacity again? the population will keep on growing until it reaches its carrying capacity again
Created by: grahajor2154
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