Lesson 3.4 Review - Cycles of Matter & Energy in Ecosystems

Non-living factor that affects an ecosystem

• biotic factor
• abiotic factor
• food chain 
• biome

Organisms that breaks down and absorbs nutrients from dead organisms 

• consumer
• trophic level
• decomposer
• species

The living portions of the ecosystem.

• Biotic factors
• Abiotic factors

What role do decomposers play in the phosphorous cycle?

• absorb phosphorous 
• release phosphorous into atmosphere
• return phosphorous into the soil
• combustion

This is released by the weathering of rocks.

• Carbon
• Oxygen
• Phosphorus
• Nitrogen

Which nutrient is not cycled through the atmosphere and stays only on ground level?

• carbon
• nitrogen
• phosphorus
• water

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

• condensation
• evaporation
• transpiration
• exhaling

Where is carbon stored in the environment?

• Fossil fuels
• Wood of trees
• Calcium carbonate (shells and bones)
• All of the above

A particular golf course is using large amounts of nitrogen fertilizer. What process could move this nitrogen into a local stream?

• volatilization

• nitrogen fixation

• runoff and leaching

• ammonification

What converts nitrogen into a useable form for plants and animals?

• bacteria
• fungi
• rain