Ecosystems and Sustainability F215

Question 1

Ecosystem

Answer 1

Relatively self contained unit of living organisms interacting with each other and their abiotic environment.

Question 2

Ecosystems are __ ____ ____ ____.
Energy _____ flows through the _______.
Nutrients are ______ between different _____ and the ______.

Answer 2

Dynamic and constantly changing 
Constantly 
Environment
Cycled 
Organisms
Environment

Question 3

Habitat

Answer 3

the place where an organism lives

Question 4

Niche

Answer 4

the role of an organism in the ecosystem

Question 5

Producer

Answer 5

an organism that transfers energy from light or an inorganic compound to organic compounds

Question 6

Consumer

Answer 6

an organism that obtains energy from organic compounds (eg carbohydrates, fats, proteins). Ie feed on other organisms

Question 7

Decomposer

Answer 7

organisms that feed on dead organic matter releasing minerals and other matter to the soil and air.

Question 8

Trophic Level

Answer 8

the stage at which an organism feeds in the food chain

Question 9

Biotic factors (5)

Answer 9

Predation
Human impact
Competition
Pollination
Parasitism

Question 10

Abiotic factors (5)

Answer 10

Climate
pH
Pollution
Light intensity
Edaphic factors