Energy Flow Review

Plants are called, ____, because they make their own food.

• Herbivores

• Territory

• Producers

What are plants called in a food chain?

• Producers
• Consumers
• Decomposers
• Scavengers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What are the organisms that break down dead stuff?

• Producers
• Consumers
• Decomposers
• Organisms

Tags

NGSS.MS-LS2-3

Where does the energy start in this food chain?

• Plant
• Sun
• Deer
• Wolf

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the role of a producer?

• Use sunlight to make food
• Gain energy from eating other organisms
• Keep other species from overpopulating
• Breaking down dead stuff 

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The efficiency of energy transfer from a lower trophic level to the next highest level is roughly

• 1%
• 10%
• 100%
• 1000%

Tags

NGSS.HS-LS2-4

What is a substance called if it speeds up a chemical reaction?

• reusable
• catalyst
• specific
• fragile

The graph shows how enzymes affect reactions in cells. Which statement best summarizes the information shown in the graph?

• Enzymes increase the energy of the reactants.
• Enzymes decrease the energy level of the products.
• Enzyme decrease the activation energy of the reaction.
• Enzymes reverse the direction of the reaction.

Tags

NGSS.HS-PS1-4

Enzymes are...

• nucleic acids
• proteins
• lipids
• carbohydrates

Tags

NGSS.MS-LS1-7

What is the function of an enzyme?

• enzymes break themselves into small pieces
• enzymes slow down chemical reactions
• enzymes speed up chemical reactions
• enzymes combine products to form reactants 

Tags

NGSS.MS-PS1-2