Jognog: Food Chains and Energy Flow

In a food chain, which way does the arrow point?

• to the producer

• to the consumer

• to the sun

• to the prey

When a herbivore eats plants, where does most of the energy from the plants go?

• It is used by the herbivore to carry out its own life activities.

• It goes to the next consumer.

• It goes back into the soil.

• It escapes into the air.

Why are there no more than four or five links in a food chain?

• The energy decreases the farther down the chain it goes.

• That is all the room available on a page to draw the chain.

• The energy increases as you move down the chain.

• That is all that is necessary to make the point.

What is a purpose of a food chain?

• to show the flow of energy in nature

• to show the connections between species

• both of these

• neither of these

In a food chain, where is the most energy found?

• at the level of the producers

• at the level of the primary consumers

• at the level of the secondary consumers

• at the level of the top predator

Consider a food chain that shows grass eaten by a rabbit, and the rabbit is eaten by a hawk. Which organism is the carnivore?

• hawk

• rabbit

• grass

• bacteria

Consider a food chain that shows berries that are eaten by a bird. The bird is eaten by a fox, and the fox is eaten by a mountain lion. Which organism gets the LEAST energy?

• the mountain lion

• the bird

• the fox

• the berries

Consider a food chain that shows leaves that are eaten by a zebra. The zebra is eaten by a cheetah. Which level of the food chain has the MOST energy?

• the leaves

• the zebra

• the cheetah

• the lion

What happens to the energy level in a food chain as the energy moves away from the sun on the food chain?

• It becomes less and less.

• It becomes more and more.

• It continues to increase.

• It depends on which organism is consuming it.

How is a food chain useful?

• It shows the flow of energy in a simple form.

• It uses beautiful pictures.

• It gives lots of details.

• It explains favorite foods.