Question | Answer |
1 Mining can have a (positive/negative) impact on habitats when it pollutes soil and water | 1 Negative |
2 The (greatest/smallest) increase in human population happened in the last few centuries | 2 Greatest |
3 Earth has a (limited/unlimited) amount of resources | 3 Limited |
4 The human population is about 6.7 (million/billion) | 4 Billion |
5 Carrying capacity is the (largest/smallest) number of individuals of a given species that Earth's resources can support | 5 Greatest |
6 Cause: Improved health care | 6 Effect: Carrying capacity |
7 when did the human population reach 1 billion people | 7 1850 |
8 How long did it take the human population to double to 2 million people | 8 50 years |
9 When did the human population begin to increase sharply | 9 1800 |
10 What factors caused the human population to increase | 10 Improves health care
Clean water
Other technological advancements |
11 What might happen to resources if the population continues to rise | 11 Resources will be diminished quickly |
12 Summarize how human population has changed over the past 2000 years | 12 There has been a steady increase from certain times. then a population Explosion |
13 What is population | 13 All the numbers of a species living in a given area |
14 What is a population explosion | 14 Sudden rise in human population that has happened in recent history |
15 About when did humans experience a population explosion | 15 1800s |
16 What reason might have led to the population explosion | 16 Improved health care, clean water, technological advancements |
17 How many people live on Earth today | 17 6.7 billion |
18 Does Earth have enough resources to support the human population | 18 Depending on where you live |
19 How does the carrying capacity relate to resource use | 19 Amount of resources depends on the carrying capacity |
20 What might happen to the amount of resources on Earth if humans exceed their carrying capacity | 20 Population will go down |
21 The largest number of individuals of a given species that Earth's resources can support and maintain for a long period of time | 21 Carrying Capacity |
22 A natural source of supply or support | 22 Resource |
23 From Latin populus means people | 23 Population |
24 Not all human activities have a negative impact on the environment | 24 Some have positive impacts |
25 Earth's population has went up immensely in the last few _____ | 25 Centuries |