Table of Contents
What 4 human activities have transformed the biosphere?
Test Review
| Question | Answer |
|---|---|
| What four human activities have transformed the biosphere? | Hunting/gathering, agriculture, industry, urban development |
| How did prehistoric hunter/gatherers change the environment? | Dammed rivers and burned grasslands to encourage growth of certain plants. |
What are three human activities have transformed the biosphere?
What three Human activities have transformed the biosphere? Agriculture, Development, and Industrial growth. What is a monoculture?
What are the 4 natural services that ecosystems provide for the biosphere?
Name four services that ecosystems provide for the biosphere. Drinkable water, breathable air, fossil fuels, and good soil (for growing crops.)
Has been the greatest source of change in the biosphere?
The greatest source of change in the biosphere is global human activities such as hunting and gathering, agriculture, industry, and urbanization. Humans depend on Earth’s resources to sustain life and other needs. As the population in our planet increases, the needs also go way up.
What are four ways that human activity can reduce biodiversity quizlet?
Terms in this set (18)
- Altering habitats.
- Hunting species to extinction.
- Introducing toxic compounds into food webs.
- Introducing foreign species to new environments.
What changes in agriculture occurred in the 1800s?
During the 18th century, another Agricultural Revolution took place when European agriculture shifted from the techniques of the past. New patterns of crop rotation and livestock utilization paved the way for better crop yields, a greater diversity of wheat and vegetables and the ability to support more livestock.
What kinds of changes might people make to an ecosystem?
Humans change ecosystems in many ways, such as habitat destruction, pollution, introduction of invasive species, and overexploitation of species. The most common way that humans damage ecosystems is by destroying habitat. For example, we remove trees, change the flow of water, and change grasslands into farms.
How can humans help the biosphere?
Restore damaged ecosystems by planting trees on land where forests have been cut down. Encourage people to live in a way that doesn’t hurt the environment. Establish parks to protect rainforests and wildlife. Support activities that operate in ways that minimize damage to the environment.
How do humans negatively impact biodiversity?
The main threats facing biodiversity globally are: destruction, degradation and fragmentation of habitats. reduction of individual survival and reproductive rates through exploitation, pollution and introduction of alien species.