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What are the reasons for why the human population grew so quickly after 1650?
1. Industrial Revolution
2. Increase in technology
3. Improved health care and medicine
What are the advantages and disadvantages of clear cutting and selective cutting?
Clear cutting adv - Cheaper and safer
Clear cuting disadv - Bad for environment and organisms
Selective cutting adv - Better for environment
Selective cutting disadv - Costly and not as safe
Threatened species
Species that has a declining number of individuals, almost endangered.
Endangered species
Species that has few individuals, possible extinction.
Extinct species
A species with no more individuals on Earth.
How do laws limiting the size of a fish caught make sure the population does not decrease?
New fish have time to develop so that there is always a generation that can breed and be caught.
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