Energy Flow: Interactive Video

A producer is an ___ because they make their own food.

What is a heterotroph?

• A heterotroph is an organism that obtains its food by consuming other organisms.
• A heterotroph is an organism that produces its own food through photosynthesis.
• A heterotroph is a type of plant that grows in water.
• A heterotroph is an organism that can survive without any food source.

The arrow points in the direction of ___ ___.

The ___ trophic level contains the most amount of energy.

Where does the remaining energy go that is not consumed?

• The remaining energy goes as heat or is stored in other forms.
• It is converted into light energy for visibility.
• The energy is lost forever and cannot be recovered.
• The energy is used to create new energy sources.

What percentage of energy is consumed at each trophic level?

• 5%
• 10%
• 20%
• 50%

What is a food web?

• A food web is a system of interrelated food chains in an ecosystem.
• A food web is a collection of recipes for cooking.
• A food web is a single food chain in isolation.
• A food web is a type of fruit salad.

Decomposer are ___ because they eat other things even if the things they eat are dead.