Photosynthesis and Energy Flow Through Living Systems

A diagram of a pond food chain is provided. Which organism in the food chain is a primary consumer?

• Beetle

• Plant

• Catfish

• Hawk

In any habitat, which group of organisms provides the primary source of energy for all other organisms?

• Producers

• Primary Consumers

• Secondary Consumers

• Decomposers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

IN the energy pyramid diagrams pictured here, the width of the level represents available energy provided by organisms at that level. Which one most accurately represents the correct distribution of energy?

• 
• 
• 
• 

Tags

NGSS.MS-LS2-3

In a food web, primary consumers get their energy buy -

• engaging in photosynthesis

• breaking down dead organisms

• eating other primary consumers

• eating organisms known as producers

Tags

NGSS.MS-LS2-3

Which of the following would get its energy from a primary consumer, and when eaten, transfers the energy to a top predator?

• The Sun

• A producer

• A carnivore

• A herbivore

Tags

NGSS.MS-LS2-3

A food web for a grassland ecosystem is shown. Which of the organisms listed in the food web gets its energy by eating primary consumers?

• Grasses

• Rabbits

• Deer

• Mountain Lion

Tags

NGSS.MS-LS2-3

A food web diagram is provided. Which of the following organisms depends directly on primary consumers for its energy?

• Grasshopper

• Acacia trees

• Impala

• Monkey

Tags

NGSS.MS-LS2-3

What would happen if there was not grass for a primary consumer to eat?

• The primary consumer would eat other primary consumers

• The primary consumers would eat the secondary consumer

• The primary consumer would die

• The primary consumer could adapt to the new environment and find another food source

• both c and d

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4