What is the role of decomposers in an Ecosystem? 

• They recycle matter, carbon and nutrients to form fossil fuels
• They are burn and release as carbon dioxide
• Decomposers are responsible to turn oxygen into carbon dioxide
• They recycle energy back to the sun

Tags

NGSS.MS-LS2-3

What would be an example of conservation of mass?

• The amount of protons and electrons are the same in all elements
• The amount of energy that is used in photosynthesis is equal to the amount of mass. 
• The amount of reactants in cellular respiration is equal to the amount of products. 
• The amount of oxygen and carbon dioxide is the same in both cellular respiration and photosynthesis. 

Tags

NGSS.MS-PS1-5

What is happening at 1?

• respiration: releasing CO2
• decomposing CO2 in the soil
• photosynthesis: absorbing CO2
• turning CO2 from the atmosphere into organic molecules

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Photosynthesis

• absorbs CO2
• releases CO2

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Respiration

• absorbs CO2
• releases CO2

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

NGSS.HS-LS2-5

Which organism would be at the top of the energy pyramid?

• shark
• algae
• fish
• shrimp

Tags

NGSS.MS-LS2-3

Which organism would be at the bottom of the energy pyramid?

• bugs
• grass
• rabbit
• wolf

Tags

NGSS.MS-LS2-3

Which organism would be at the top of the energy pyramid?

• bugs
• grass
• rabbit
• wolf

Tags

NGSS.MS-LS2-3

Primary producers are....

• herbivore
• carnivore
• plants

Tags

NGSS.MS-LS1-6

The smallest proportion of organisms are found in the top level

• true
• false

Tags

NGSS.MS-LS2-2