Human Impacts on Ecosystems Through Time

Environmental Science differs from Ecology in that it involves:

• Environmental science doesn't involve animals

• Only non-living things

• Human impacts on the environment

• Only impacts to the environment that have happened after 1950

One of the main ways hunter-gathers changed or manipulated their ecosystem was by:

• Deforestation

• Water Pollution

• Soil Degradation

• Lighting the Plains on fire (control burn)

What was the biggest negative impact hunter-gatherers caused on their ecosystem

• Overhunting

• Water Pollution

• Over use of soil

• Creation of non-biodegradable materials

Which of the follow is NOT a positive impact of the agricultural revolution

• Domesticated livestock

• Humans living in concentrated, small areas ex: Towns

• Farming/domesticated crops

• Humans concentrating in city centers

Which of the following is a negative impact of the agricultural revolution

• Expanded mining practices

• Deforestation

• Overhunting

• A loss of scientific research

What is the practice of cutting down trees (deforestation) followed by burning the downed timber

• Mining

• Forestry

• Slash and Burn

• Logging

Which of the following is NOT a positive result of the industrial revolution

• Enabled the creation of larger cities

• Increased pollution

• Creation of a large number of jobs in a small area ex: factories

• Advances in transportation

The largest negative impact the industrial revolution has had on the environment is

• Deforestation

• Increased Pollution

• Creation of cities

• Overhunting

Which of the following is NOT one of the three main environmental problems we face today

• Resource Depletion

• Pollution

• Loss of Biodiversity

• Reduction in Oceans

A cost benefit analysis when relating to ecology compares

• Pollutants v. Energy Gained

• Short term v. Long term

• Biodegradable v. Non-biodegradable

• Industrialization v. Deforestation