Exam 5.1 - Energy Flow

Which animal in this food chain is an herbivore?

• Grasshopper

• Snake

• Frog

• Hawk

Multiple, overlapping food chains in one ecosystem is called a -

• Life cycle

• Food chain

• Food Web

• Heterotroph

The giraffe and rhino only eat plants. They are both -

• autotrophs

• heterotrophs

• producers

• primary consumers

• secondary consumers

The seals only eat fish. They are considered -

• producers

• consumers

• herbivores

• carnivores

• omnivores

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

• grass

• mouse

• rabbit

• fox

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 lost.

• 10% of the animals will starve.

• 10% of the producers are eaten.

What does a primary consumer eat?

• tertiary consumers

• secondary consumers

• producers

• decomposers

What does a food web represent?

• All connections of energy flow throughout all organisms in a ecosystem.
• The specific ways that mutualism is carried out.
• A single pathway or energy flow between organisms. 
• How carnivores get their food. 

What level consumer is the deer?

• primary

• secondary

• tertiary

• producer

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