Energy Flow Notes (Quizizz)

Open Ended

Why do is it important for scientists to understand how food chains work for each organism in an ecosystem?

Multiple Choice

Which of the following best describes a food chain?

• A linear sequence showing how nutrients and energy pass as one organism eats another

• A circular process where all organisms eat each other equally

• A random collection of organisms living in the same area

• A list of all plants in an ecosystem

Multiple Choice

What is the main purpose of a food chain in an ecosystem?

• To show how energy and nutrients pass from one organism to another

• To show how animals migrate

• To show how plants grow

• To show how weather affects animals

Match

Match the following

• Carnivore

• Herbivore

• Omnivore

• Decomposer

Eats only meat

Eats only plants

Eats both plants and animals

Eats dead organic material

• Eats only meat

• Eats only plants

• Eats both plants and animals

• Eats dead organic material

Multiple Choice

Which trophic level in a food chain contains the largest amount of biomass?

• Producers

• Primary consumers

• Secondary consumers

• Tertiary consumers

Multiple Choice

What percentage of energy is typically transferred from one trophic level to the next?

• 10%

• 50%

• 90%

• 100%

Multiple Choice

Which of the following best explains why only a small fraction of energy is transferred from one trophic level to the next in the energy pyramid?

• Most energy is used for metabolic processes and lost as heat.

• Energy is destroyed during transfer.

• All energy is stored in the bodies of consumers.

• Producers do not absorb energy from the sun.

Multiple Choice

Which of the following organisms can be classified as decomposers?

• Worms

• Butterflies

• Grasshoppers

• Mangoes

Open Ended

Explain the role of decomposers in recycling matter and energy in an ecosystem. Why are they essential for the continuation of life?

Drag and Drop

A species that plays a ___ role in its ecosystem is called a keystone species.

Placeholder

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Drag these tiles and drop them in the correct blank above

crucial

nonimportant

Open Ended

Describe how the loss of energy at each trophic level affects the population size of organisms at higher trophic levels.