Energy Transfer and Food Webs Notes

Use the food web image to...

Answer A-E!

Answer 1-4!

Use the video to...

Multiple Choice

What do producers in a food chain primarily use to create their food?

• Water

• Sunlight

• Carbon dioxide

• Soil nutrients

Multiple Choice

What is the primary consumer in the given food chain example?

• Snake

• Grasshopper

• Hawk

• Mouse

Multiple Choice

According to the 10% rule, how much energy is transferred from one trophic level to the next?

• 20%

• 10%

• 5%

• 50%

Multiple Choice

What is the correct sequence of consumers in the food chain from primary to quaternary?

• Hawk, Snake, Mouse, Grasshopper

• Snake, Hawk, Mouse, Grasshopper

• Mouse, Grasshopper, Hawk, Snake

• Grasshopper, Mouse, Snake, Hawk

Multiple Choice

What organism consumes both rabbits and birds?

• The Hawk
• The Wolf
• The Plant
• The Mushroom

Multiple Choice

Which of the following organisms is a primary consumer?

• grass

• rabbit

• fox

• snake

Multiple Choice

What would happen to the rabbit population if the fox population moved out of the area represented by the food web?

• The rabbit population would increase

• The rabbit population would decrease

• The rabbit population would neither increase nor decrease

Multiple Choice

The diagram represents different levels of a marine energy pyramid.

Between which two levels is the greatest amount of energy transferred?

• R and Q

• S and R

• T and S

• U and T

Multiple Choice

If there is 1000 Kcal available at the producers level, how much energy is available in the primary consumers level?

• 100 Kcal

• 10 Kcal

• 1 Kcal

• 1000 Kcal

Multiple Choice

If 25,000 kg of vegetation is planted in this ecosystem, how would the lion population change?

• Decrease by 2,500 kg
• Decrease by 25,000 kg
• Increase by 250 kg
• Increase by 250,000