Energy Flow

How do autotrophic organisms obtain their energy?

• Consuming other organisms.

• Converting radiant energy into chemical energy.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

The direction that the arrowhead points to indicates...

• The direction where energy flows to
• The direction where energy comes from

Tags

NGSS.MS-LS2-3

Which of the following organisms are heterotrophic?

• Aloe vera plant
• Fruit
• Fruit flies
• Pine tree

What is the ecological role of the krill in this food chain?

• Tertiary Consumer
• Producer
• Primary Consumer
• Secondary Consumer

Tags

NGSS.MS-LS2-3

What is the ecological role of the seal?

• Primary Consumer
• Secondary Consumer
• Producer
• Tertiary Consumer

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

NGSS.MS-LS2-4

On average, how much energy is passed on to the next trophic level?

• 100%

• 10%

• 1%

• 0%

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

What starts every food chain or food web?

• Producers
• Primary Consumers
• Secondary Consumers
• The Sun

Which trophic level are krill in this food chain?

• 1

• 3

• 2

• 4

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

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-LS2-3

Which of the following would be the definition of a detritivore?

• Animals that eat insects.

• Organisms that feed on rocks, recycling the nutrients back into the ground.

• Organisms that eat only plants

• Things that feed on dead, rotting organisms