Global Change

Question 1

Worldwide changes in the environment is known as:

Answer 1

Global change

Question 2

Physical and biotic changes people make to the land surface of the earth:

Answer 2

Land transformation

Question 3

Physical and biotic changes that people make to the waters of our planet:

Answer 3

Water transformation

Question 4

When chemicals released by humans accumulate in an organism at concentrations higher than in the surrounding abiotic environment:

Answer 4

Bioaccumulation

Question 5

The increase in tissue concentrations of a chemical as organic matter is passed up successively higher trophic levels in a food chain:

Answer 5

Biomagnification

Question 6

What are the chemicals we add to our environment in the largest quantities?

Answer 6

Carbon dioxide
Nitrogen
Phosphorus
Sulfur

Question 7

The keys to minimizing climate changes are:

Answer 7

Reduced use of fossil fuels
Increased energy efficiency
Increased reliance on renewable energy
Reduced food waste