Balance Of The Matter and Enrgy Exchange

Question 1

What impacts the amount of plants and matter produced

Answer 1

Water and energy

Question 2

Little water and energy sunlight =

Answer 2

Little plant growth

Question 3

Productivity

Answer 3

Measure of the rate at which an ecosystem producers capture and store energy within organic compounds over a certain length of time

Question 4

What is productivity measured in

Answer 4

J/m2 or g/m2

Question 5

Productivity depends on

Answer 5

Available Moisture

Question 6

Gaia hypothesis

Answer 6

Earths a living organism and functions like one that regulates itself to maintain homeostasis

Question 7

Stromatolites

Answer 7

2.5 to 3.8 billion yrs ago the atmosphere lacked free oxygen which formed thick mounds of in shallow seas n waters as the microorganisms died the cells trapped in rocks which is called stromatolites

Question 8

Eutrophication

Answer 8

Algae algal blooms cause lack of oxygen and forms dead zones where all life suffocated

Question 9

Wetlands

Answer 9

Biospheres solution to some environmental problems
Environments where soil is permanently saturated with water and wetlands act as huge water filters

Question 10

Problem with wetlands

Answer 10

Wetlands being drained for agriculture land and urban growth

Question 11

Cycling of contaminants

Answer 11

DDT and PCB carried up food chains known as POPs or persistent organic pollutants can travel far distances found in attic ice cores