ABC
Resource that cannot be replaced once it is used
Nonrenewable resource
this percent of Earth's water is freshwater
3%
humans do this to convert wild animals into trained, submissive and gentle animals
domestication
the ballpark of the number of people on Earth
7 billion
produced while manufacturing products that we use every day and can be toxic
waste
the layer of air surrounding the Earth
atmosphere
This natural resource provides nutrients and support for plants and organisms living underground
soil
the cultivation of plants and animals for food, medicine, and products
agriculture
the number of humans born each year
births
when humans cut down trees in forests in order to clear land
deforestation
materials, substances, or organisms in nature that are useful to people
natural resource
we depend on this for farming, cleaning, and bathing
clean freshwater
involves the mass production of synthetic or man-made products from natural resources
manufacturing
the number of humans that die each year
deaths
humans have intentionally and accidentally introduced into the environment and these are called
invasive species
energy sources formed from ancient plants and animals over millions of years
fossil fuels
what plants need to make their own food and survive
carbon dioxide
the extraction of minerals, metals, and other natural resources from Earth's ground
mining
water waste produced by humans it is often dumped in waterways and causes water pollution
sewage
were introduced in Florida to control beetles that fed on sugar cane crops. Instead, they overpopulated and consumed resources needed by native species.
cane toads
a natural resource that can be replaced or cannot be used up
renewable resource
use these for energy in transportation, electricity, heating, and cooking
fossil fuels
the process of converting natural habitats into urban areas is called what
urbanization
made of everyday items that are discarded by humans
garbage
were accidentally introduced into the Great Lakes by ocean-going ships. They out-compete native species for food and space and disrupt food chains.
zebra mussels