Energy & Cycles Review

What is the original source of almost all energy in most ecosystems?

• carbohydrates
• sunlight
• water
• carbon

Tags

NGSS.MS-LS1-6

An organism that produces its own food supply from inorganic compounds is called a(n):

• heterotroph

• consumer

• detritivore

• autotroph

What is the term for each step in the transfer of energy between members of a biological community?

• energy path

• food web

• trophic level

• food section

What does a food web represent?

• All connections of energy flow throughout all organisms in a habitat.
• The specific ways that mutualism is carried out.
• A single pathway or energy flow between organisms. 
• How carnivores get their food. 

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Only ____ of organism energy is passed on to the next trophic level of an ecosystem as you move up the energy pyramid.

• 10%

• 1%

• 100%

• 20%

• 90%

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Organisms that break down and absorb nutrients from dead organisms are:

• consumers

• trophic level

• saprotrophs

• producers

Tags

NGSS.MS-LS2-3

What are the products/outputs of photosynthesis?

• water and carbon dioxide

• oxygen and glucose

• oxygen and carbon dioxide

• oxygen and water

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which gas is removed from the atmosphere during photosynthesis?

• hydrogen
• oxygen
• nitrogen
• carbon dioxide

Tags

NGSS.MS-LS1-6

Which of the following is the correct equation for PHOTOSYNTHESIS?

• CO₂ + light + H₂O --> O₂ + Sugar

• CO₂ + sugar + H₂O --> O₂ + light

• O₂ + light + H₂O --> CO₂ + Sugar

• CO₂ + O₂ + H₂O --> Light+ Sugar

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Excess Carbon Dioxide seeps into the ocean and is causing a drop in pH. Which chemical is being created that is causing the pH drop?

• hydrochloric acid

• nitric acid

• carbonic acid

• sulfuric acid