Human Impact Quiz Review

10.  Which of these daily human activities would have a beneficial impact on the environment?

• A. letting water run while brushing teeth

• B. leaving a ceiling fan on when departing a room

• C. removing a nonnative, invasive plant species from a habitat

• D. throwing away plastic bottles in containers designated for the landfill

The primary cause of invasive species introduction is

• too much food

• human actions

• weather events

• asteroids

What are some consequences of deforestation?

• increased population in cities
• building of more infrastructure
• soil erosion, loss of biodiversity, loss of ability to remove CO2
• more mercury and cyanide released into rivers

An alien (non-native to the ecosystem) species, usually brought to an area by humans, that competes for resources and causes problems for the native species within an ecosystem

• Environment

• Ecosystem

• Invasive Species

• Population

What are Nonrenewable resources? 

• Resources that can be replaced in a short amount of time  
• Resources that are used faster than they can be replaced 
• Resources America does not use

Name Two examples of Nonrenewable resources?

• Coal and Oil
• Biomass and Wind Turbines
• Tidal and Geothermal

Name two examples of Renewable energy?

• Coal and Nuclear
• Oil and Gas
• Solar Panels and Hydroelectric

Which list contains only abiotic conditions that might be found in a pond ecosystem?

• temperature of the water, green plant populations, dissolved minerals in the water

• temperature of the water, dissolved oxygen in the water, dissolved minerals in the water

• bacteria, dissolved minerals in the water,

  temperature of the water

• dissolvedoxygeninthewater,fishpopulations,

  insect populations

What does the term carrying capacity mean?

• The number of individuals an area can carry

• the number of births

• The number of deaths an area has

• not sure

An example of a density dependent limiting factor is...

• an avalanche.

• the amount of available food.

• a sudden flood

• a decrease in water due to drought.