Human Impact On Ecosystems

Question 1

renewable resources

Answer 1

Earth’s resources, such as our food supply in solar energy, which, given time, can be replaced

Question 2

non-renewable resources

Answer 2

any resources, such as fossil fuels and minerals, that cannot be replaced

Question 3

pollution

Answer 3

harmful change in the chemical makeup of the soil, water, or air

Question 4

water cycle

Answer 4

the process by which water continuously moves from Earth’s surface to the atmosphere and back

Question 5

energy flow

Answer 5

the movement of energy through an ecosysten

Question 6

direct harvesting

Answer 6

the destruction of an organism, or the removal of an organism from its habitat

Question 7

deforestation

Answer 7

Forest destruction that results from human activity

Question 8

technology

Answer 8

all of the practical scientific knowledge that has been used to meet human needs

Question 9

industrialization

Answer 9

the process of converting an economy into one in which large-scale manufacturing is the primary economic base

Question 10

nuclear fuel

Answer 10

an energy source that results from splitting atoms

Question 11

fossil fuels

Answer 11

a fuel, such as coal and gas, that comes from the remains of organisms that lived millions of years ago

Question 12

global warming

Answer 12

an increase in Earth’s average surface temperature caused by an increase in greenhouse gases

Question 13

ozone shield

Answer 13

layer of Ozone gas in the upper atmosphere that protects Earth from some of the sun’s radiation

Question 14

trade off

Answer 14

an exchange or agreement made to reach a consensus