Enviro Sys UNit 1 Test Review

Removal of natural areas by humans. If the habitat changes or is eliminated, native animals that cannot adapt quickly enough will die.

• ecology

• habitat loss

• pollution

• invasive species

Climate change is related to increasing temperatures and changing weather patterns caused by human activities.

• True

• False

Forests and woodlands are overcut for firewood and timber. Grasslands are over-grazed and croplands are continuously used turning them into deserts. Game species are overhunted. Fisheries are overexploited. Loss of biodiversity and habitat.

• Habitat Loss

• Tik Toking

• conservationism

• overharvesting

What is biodiversity?

• The variety of organisms in a given area. The variety of species in a community. The variety of communities in an ecosystem. (The genetic variation within a population)

• A wide variety of non living organisms which are harmful to our ecosystems.

• Study of interactions of living organisms with one another and with their environment.

• Toxic contaminants such as heavy metals, pesticides, harmful chemicals, oil spills and fertilizer run-off. Contaminants threaten life on the land, water and in the air.

People who obtain food by collecting plants and by hunting wild animals. Humans moved with the food.

• Hunters and Gatherers

• Omnivores

• Canadians

• Carnivores

The Industrial Revoluton is when humans began raising of crops and livestock for food. They stayed in place instead of moving and the population increased. Humans replaced forests with farmland.

• True

• False

This is when factories lured people into cities and populations grew rapidly.

• Mesozoic Era

• Industrial Revolution

• Agricultural Revolution

• Jurrasic Era

Materials that can be broken down by natural processes and include materials such as newspaper are called biodegradeable.

• True

• False

Materials or substances such as minerals, forests, water, and fertile land that occur in nature and can be used for economic gain.

• abiotic organisms

• non natural resources

• biodiversity

• natural resources

Calculations that show the productive area of Earth needed to support one person in a particular country.

• bigfoot print

• ecological footprint

• water calculator

• trash indicator