Food Webs and Trophic Levels

In the food web shown, who is the secondary consumer?

• grass

• mouse

• rabbit

• fox

Tags

NGSS.MS-LS2-2

For an energy pyramid, the 10% rule states that

• 10% of the energy is transferred from one organism to the next.

• 10% of the energy is gained.

• 10% of the animals will starve.

• 10% of the producers are eaten.

Tags

NGSS.MS-LS2-3

What does a primary consumer eat?

• tertiary consumers

• secondary consumers

• producers

• decomposers

Tags

NGSS.MS-LS2-3

The organism that hunts for food is a

• predator

• prey

• decomposer

• producer

What level consumer is the deer?

• primary

• secondary

• tertiary

• producer

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

In the energy pyramid here, how much of the energy in the producers gets passed to the herbivores?

• 10%
• 20%
• 80%
• 90%

Tags

NGSS.MS-LS2-3

If the producer has 20,000 kJ of energy, how much energy should the secondary consumer have?

• 2,000 kJ

• 500 kJ

• 200 kJ

• 1,000 kJ

Tags

NGSS.MS-LS2-3

Why might an organism have more than one arrow coming from them in a food web?

• More than one organism may eat them.

• They may eat more than one other organism.

• This organism gets its energy from multiple sources.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

an organism that can produce its own food through photosynthesis

• consumer
• heterotroph
• autotroph
• herbivore

Tags

NGSS.MS-LS1-6

In the energy pyramid here, which organisms have the most energy available?

• Producers
• Carnivores
• Herbivores
• Top Predator

Tags

NGSS.MS-LS2-3