Ecology (Ch 3-6)

Question 1

Nitrogen is necessary to make __________&__________

Answer 1

Protein and DNA

Question 2

Nitrogen must be converted into __________(a usable form)

Answer 2

Nitrates

Question 3

_______________-the process of converting nitrogen into a usable form (done by __________in soil or ______________

Answer 3

Nitrogen Fixation
Bacteria
Lightning

Question 4

_____________ contribute to the nitrogen cycle

Answer 4

Humans!!

Question 5

What is Biosphere?

Answer 5

Part of the earth which life exists (land, water & air or atmosphere)

Question 6

What is Ecology?

Answer 6

Study of interactions among organisms and their physical environment

Question 7

A biome is …..?

Answer 7

Multiple ecosystems in different areas

Question 8

___________ are more common than the __________

Answer 8

Producers
Consumers

Question 9

Only _____% of energy available at a given level is __________ to the next level

Answer 9

10%
Transferred

Question 10

Rest if the energy was used up by the organism while it was alive;______% was lost has heat

Answer 10

90%

Question 11

Organisms need _______,_________, __________,__________ & __________ to survive

Answer 11

Carbo Oxygen
Hydrogen Phosphorus
Nitrogen

Question 12

Canopy

Answer 12

the layer formed by the branches and crowns of plants or trees