Agriculture causes many animals and plants to go extinct. T/F
True
10
Pollution helps soil and water quality and is great for humans and animals. T/F
False
10
Paving the land and making roads helps keep our land from flooding.
False
10
How many people do we believe were on our planet 1000 years ago?
300 Million
20
Paving the land prevents water from getting to soil and causes it to run into streams and rivers. This can lead to:
flooding
20
When forests disappear biodiversity will likely decrease. T/F
True
10
We need a lot of space to grow crops. T/F
True
10
How many people are currently on our planet?
8 billion
20
Deforestation is caused by:
Humans cutting down trees.
20
How is our trash disposed of in landfills?
Our trash is burried in landfills.
20
Soil erosion can lead to desertification. T/F
True
10
How fast is the human population growing?
1.1% per year
20
These are the major causes of a population explosion:
Better hygiene Accessible medicine. Better living conditions
25
The Two factors that affect a population are
Population Structure, Age Structure
25
Carrying capacity is the largest number of individuals of a given species that Earth’s resources can support and maintain for a long period of time. T/F