Photosynthesis and Matter Cycling Mid-Unit Assessment

The process in which water vapor is released into the air through the stoma on the leaves of plants is called __________.

• Evaporation
• Transpiration
• Precipitation
• Condensation

Carbon is part of __________.

• proteins
• fats
• carbohydrates
• all of the above

Decomposition releases __________ into the soil

• hydrogen
• oxygen
• nitrogen
• helium

When numerous food chains link to each other in an ecosystem, it is called a(n)

• food chain
• food web
• trophic pyramid
• food cluster

Decomposers break down detritus, also known as...

• dead organic matter
• inorganic matter
• living matter
• non-living matter

Only __% of energy gets passed on from one trophic level to the next

• 5%
• 10%
• 26%
• 90%

Plants rely heavily on ____ in the nitrogen cycle to incorporate nitrogen into organic compounds

• bacteria
• viruses
• fungi
• oxygen

Where is energy the highest in the food chain: grass, rabbit, hawk, bacteria

• grass
• rabbit
• hawk
• bacteria

The primary consumer would be which level on the energy pyramid? 

• 1st 
• 2nd
• 3rd
• 4th

What is photosynthesis?

• The process by which plants use oxygen to make their own food.

• The process by which plants use sunlight to make their own food.

• The process by which plants use sunlight to make water.

• The process by which plants use sunlight to make carbon dioxide.