Chapter 3 Lesson 4

Question 1

What are living organisms composed mostly of ?

Answer 1

Oxygen
Carbon
Hydrogen
Nitrogen

Question 2

How does matter move through the biosphere ?

Answer 2

1. Solar and chemical energy is captured by primary producers
2. Energy passes from one trophic level to the next
3. They dissipate in the environment as heat along the way

Question 3

Elements pass from one organism to another and among parts of the biosphere through closed loops called……

Answer 3

biogeochemical cycles

Question 4

What powers the biogeochemical cycles ?

Answer 4

The flow of energy

Question 5

What do the cycles of matter involve ? (Processes)

Answer 5

Biological processes
Geological processes
Chemical processes
Human activity

Question 6

What happens to the matter as it passes through these cycles ?

Answer 6

It is transformed

Question 7

Matter is never ? Or ? Just ?

Answer 7

Matter is never created or destroyed. Just changed.

Question 8

Any and all activities performed by living organisms

Answer 8

Biological processes

Question 9

What are examples of biological processes

Answer 9

Eating, breathing, eliminating waste, burning food

Question 10

Volcanic eruptions, formation and breakdown of rock, major movements of matter within and below earth surface

Answer 10

Geological processes

Question 11

Formation of clouds and precipitation, flow of running water, action of lighting

Answer 11

Chemical and physical processes

Question 12

Mining and burning of fossil fuels, clearing of land for building, burning of forest

Answer 12

Human activity

Question 13

Chemical substance that organism needs to sustain life

Answer 13

Nutrients

Question 14

Why do organisms need nutrients

Answer 14

To build tissue and carry out life functions

Question 15

Explain the water cycle

Answer 15

….

Question 16

What does water constantly move between

Answer 16

Ocean, atmosphere, land

Question 17

What is transpiration

Answer 17

Water evaporated into atmosphere from leaves of plant

Question 18

What is the major component of all organic compounds

Answer 18

Carbon

Question 19

What do all organisms require to make amino acids ?

Answer 19

Nitrogen

Question 20

Explain the nitrogen cycle

Answer 20

…..

Question 21

Explain the carbon cycle

Answer 21

…..

Question 22

Nitrogen gas makes up how much percent of the earths atmosphere

Answer 22

78%