Chapter 3

Question 0

What is the atmosphere

Answer 0

Thin spherical envelope of gases surrounding the earth surface

Question 1

What are the four major components of earths life-support system?

Answer 1

Atmosphere, hydrosphere, geosphere, biosphere

Question 2

What is the hydrosphere

Answer 2

Consist of all the water on or near the earths surface

Question 3

What is geosphere

Answer 3

Consist of the earths intensely hot core, Thick Mantel composed mostly of rock, and A thin outer crust

Question 4

What is biosphere

Answer 4

Consist of the parts of the atmosphere hydrosphere and geosphere where Life is found

Question 5

What are three factors to sustain earth’s life?

Answer 5

One-way flow of high-quality energy, cycling of nutrients, gravity

Question 6

What is trophic level

Answer 6

Feeding level

Question 7

Producers sometimes called auto troughs are what

Answer 7

Self feeders make the nutrients they need from certain compounds and energy obtained from there environment

Question 8

Consumers or heterotrophs

Answer 8

Cannot produce the nutrients they need to photosynthesis or other processes they get their nutrients by feeding on other organisms

Question 9

Primary consumers or herbivores are

Answer 9

Plant eaters animal that eat mostly green plants

Question 10

What is aerobic respiration

Answer 10

Uses oxygen to convert glucose or other argument nutrient molecules back into carbon dioxide and water