Biogeography

The cyclical flow of nutrients within an ecosystem is called the ____

• Energy cycle

• Biogeo-chemical cycle

• Oxygen cycle

• Nitrogen cycle

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Gaseous bio-geo chemical cycle includes

• Iron cycle

• Oxygen cycle

• Water cycle

• Carbon cycle

Tags

NGSS.MS-LS1-6

Complete the analogy

Phosphorus : Sedimentary cycle :: Carbon : ____

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

During process of photosynthesis ___ is released in the atmosphere.

• Oxygen

• Nitrogen

• Carbon dioxide

• Hydrogen

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The movement of a particular chemical through biotic and abiotic parts of an ecosystem

• chemical dispersion

• biogeochemical cycling

• ecological migration

• biological translocation

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

​ (a)   is the conversion of NH4 into nitrite (NO2) & then nitrate (NO3) by ​ (b)   .

• Nitrification

• soil bacteria

• Denitrification

• Assimilation

• plants

• animals

Tags

NGSS.MS-LS2-3

After the death of living organisms, ____ goes to the atmosphere.

Tags

NGSS.MS-LS2-3

The process of plants losing water through their leaves is called ____.

• condensation

• evaporation

• transpiration

• exhaling

Complete the diagram using the options below.

a

b

c

d

e

f

Cellular Respiration

Fossil Fuels

Carbon in the Atmosphere

Photosynthesis

Combustion

Decomposition

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Label the following Carbon cycle.

a

b

c

d

animals breathing (respiration)

photosynthesis

fossil fuels

sunlight

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3