F2 2.2 NUTRIENT CYCLE IN AN ECOSYSTEM

Choose 3 examples of nutrient cycle

• Food cycle

• Carbon cycle

• Water cycle

• Oxygen cycle

• Soil cycle

Name process P

• Transpiration

• Evaporation

• Condensation

• Excretion

Name process R

• Transpiration

• Evaporation

• Condensation

• Excretion

Name process S

• Transpiration

• Evaporation

• Condensation

• Excretion

State three processes which can represent Q

• Respiration

• Excretion

• Defecation

• Evaporation

• Transpiration

The roots of plant absorb ______ from the ground and release it to the atmosphere through the process of ______

• water, transpiration

• water, evaporation

• mineral, transpiration

• mineral, evaporation

Animals carry out processes like (choose 3 answer) ___ that will increase the water vapour content in the atmosphere

• respiration

• defecation

• excretion

• movement

• growth

The grip of the roots of the plant on the ground can strengthen the soil structure and prevent____

• soil erosion

• soil eruption

• soil depletion

• soil combustion

The leaves which have fallen and cover the ground surface can decrease the rate of _____

• water evaporation

• decomposition

• soil erosion

• animal's excretion

Diagram shows the carbon cycle. Name Process P.

• Decomposition

• Photosynthesis

• Respiration

• Combustion