Chapter 12.4

Question 1

What is any system or object that absorbs carbon dioxide from the environment?

Answer 1

Carbon sink

Question 2

What is an object that produces carbon dioxide?

Answer 2

Carbon source

Question 3

What is the name for the nutrient cycle that recycles the elements carbon and oxygen?

Answer 3

Carbon-oxygen cycle

Question 4

What is the removing of trees from the forest for human use?

Answer 4

Tree harvesting

Question 5

What tree harvesting method removes all trees from an area at one time?

Answer 5

Clear-cutting

Question 6

What tree harvesting method involves removing all trees from a relatively small area?

Answer 6

Block cutting

Question 7

What tree harvesting method used for trees that grow well in partial shade sporadically removes only certain designated trees from an area at one time?

Answer 7

Selection cutting

Question 8

What tree harvesting method is used for trees that produce seeds that are wind scattered and for seedlings that need abundant sunlight for optimum growth?

Answer 8

Seed-tree method

Question 9

What tree harvesting method resembles a combination of seed-tree and selection cutting methods in that the seed trees provide shade and shelter for young trees but are not left to reproduce?

Answer 9

Shelterwood