vocabulary
human population
human activities
natural resources
pollution
100
a group of organisms of the same species that live in one area
What is population?
100
1,000,000 people
What is the human population in 1800?
100
removing habitat and changing habitat
What is two causes for habitat loss?
100
gold, metal, fossil fuels
What is examples of non renewable resources?
100
when water from rain mixes with chemicals in the air.
What is acid rain?
200
a group of different populations.
What is community?
200
water, food and space
What is limiting factors for humans?
200
species that are introduced or released in a new place.
What is invasive species?
200
can not be replaced
What is non renewable resources?
200
biodiversity is decreased.
What is the effect of water pollution?
300
any type of material or energy humans use to meet their needs
What is natural resource?
300
they take a lot of space, release chemicals into the air, and leak harmful substances into the groundwater.
What is three problems landfills can cause?
300
interrupts natural habitats and endangers wildlife.
What is the effect of more cars?
300
can be used over and over again
What is renewable resources?
300
wind and water can carry it and spread it.
What is two ways in which pollution can be carried across the ecosystems?
400
the types and number of living things in an ecosystem
What is biodiversity?
400
6,000,000
What is the estimated human population in the world?
400
to live and work
What is two reasons why people move to cities?
400
trees, minerals, land, electric energy, water, space
What is natural resources?
400
oil spills, chemicals, soil erosion, waste from landfills into underground
What is 4 sources of water pollution?
500
the number of people within a given area (two words).
What is population density?
500
better health care and higher birth rates.
What is two reasons why the total human population has grown?
500
waste disposal, urban growth, use of natural resources, and expanding land use
What is 4 pressures that are put on ecosystems?
500
cutting down forests, affecting carbon cycle, using cars affects air quality, and sprawl decrease Proxy-Connection: keep-alive Cache-Control: max-age=0 e natural wildlife
What is how land development affects the environment?
500
cars, factories, burning of fossil fuel
What is examples of natural resources?