Energy Flow

Multiple Choice

What statement is best supported by the data collected during this Plant Growth Experiment?

• Using fertilizer decreased the growth of the tested plants.

• Using fertilizer increased the growth of the tested plants.

• Using fertilizer did not affect the growth of the tested plants

• The amount of water the plants received affected their growth.

Multiple Choice

What statement IS NOT supported by the data collected during this experiment?

• The pH of the soil affects the average growth of the plant

• The higher the pH the higher the average growth of the plant

• The optimum pH for the growth of the plant is 6.6 - 6.8

• The higher the pH the lower the average growth of the plant

Match

Match the following

• Producer

• Consumer

• Decomposer

Gets its energy by using sun's energy to make its own food (organic molecules)

Gets its energy by consuming, or eating, other organisms

Gets its energy by breaking down dead organisms

• Gets its energy by using sun's energy to make its own food (organic molecules)

• Gets its energy by consuming, or eating, other organisms

• Gets its energy by breaking down dead organisms

Multiple Choice

The source of all energy in an ecosystem comes originally from the _________.

• consumers

• producers

• sun

• decomposers

Match

Match the following

autotroph

heterotroph

decomposer

• autotroph

• heterotroph

• decomposer

Match

Match the following

producer

consumer

decomposer

• producer

• consumer

• decomposer

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Hotspot

Select an organism that gets energy from the sun

Hotspot

Select a primary consumer

Hotspot

Select an organism competing with the hawk for food

Hotspot

Select the apex predators / top predators

Multiple Choice

What do the arrows in the food chain indicate about the flow of energy in an ecosystem?

• Energy is continuously recycled by the organisms in an ecosystem.

• Energy flows in one direction in an ecosystem, from producers to consumers.

• More of the available energy in an ecosystem is given to large animals than to small animals.

• Organisms at the end of the food chain receive more energy than those at the beginning.

Multiple Choice

Which group is not represented in this food web?

• producers

• primary consumers

• secondary consumers

• decomposers

Multiple Choice

How would the removal of earthworms from the food chain affect the other organisms?

• The number of bass will increase.

• The number of crayfish will decrease.

• The crayfish will get their energy directly from the sun.

• The number of bass and ospreys (bird) will increase.

Multiple Choice

The diagram shows part of an aquatic food web for a stable lake ecosystem in Connecticut. What is the source of energy for the algae?

• waves

• sunlight

• bacteria

• rotifers, water fleas and tadpoles

Multiple Choice

Suppose that a new predator of the rabbit migrated to this ecosystem. What is the most likely initial effect on the other organisms?

• More competition among the mice for food

• More competition among the hawks for food

• Less competition among snakes for food

• Less grass available for food

Multiple Choice

The diagram provided shows a marine food chain. In this food chain, the zooplankton are

• primary producers.

• primary consumers.

• secondary consumers.

• tertiary consumers.

Multiple Choice

Fungi: Producer, consumer or decomposer?

• Producer

• Consumer

• Decomposer

Multiple Choice

Grass: Producer, consumer or decomposer?

• Producer

• Consumer

• Decomposer

Multiple Choice

An organism that needs to eat other organisms to obtain energy is known as a:

• Autotroph

• Producer

• Consumer

• Mutualist

Multiple Choice

An organism that uses sunlight to create its own food is known as a:

• Producer

• Heterotroph

• Consumer

• Decomposer

Multiple Choice

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. 

• They have no resources available to them.

Multiple Choice

What may happen if the snowshoe hare was removed from the food web pictured?

• The insects in the habitat would increase.

• The shrew population would decrease due to being only hawk food source.

• The willow tree population would decrease.

• Foxes would dies due to no food source. 

Multiple Choice

The rabbit in this food web would be considered a:

• Decomposer

• Producer

• Secondary Consumer

• Primary Consumer

Multiple Choice

The mouse in this food web would be considered a:

• Primary Consumer

• Producer

• Tertiary Consumer

• Secondary Consumer

Multiple Choice

What are the organisms that break down dead stuff?

• Producers

• Consumers

• Decomposers

• Organisms

Multiple Choice

What are the organisms that break down dead stuff?

• Producers

• Consumers

• Decomposers

• Organisms

Multiple Choice

If the grasshopper were to be removed completely from the food web, what organism would be most effected?

• The squirrel

• The shrew

• The deer

• The rabbit