Cycles and Food Review Env.

Which of the following is an herbivore?

• Primary consumer
• Secondary comsumer
• Tertiary consumer

The process by which cells break down carbohydrates to produce energy is ____________

• Photosynthesis
• Cellular respiration
• Chemosynthesis
• Autophagy

Which of the following organisms are at the top of the energy pyramid in the image below?

• Plankton
• Krill
• Leopard seal
• Orca
• Silverfish

Where is most of the energy in an energy pyramid?

• At the top
• At the bottom/base
• In the middle

Where is the least amount of energy an energy pyramid?

• At the top
• At the bottom/base
• In the middle

The straight pathway in which energy is transferred from one organism to the next as each organism eats another. An example is shown below.

• Food chain
• Food web
• Energy pyramid
• Trophic levels

Each stop through which energy is transferred in a food chain is known as a __________

• Food web
• Food chain
• Energy pyramid
• Trophic level

This shows all the feeding relationships in a habitat or ecosystem. An example is shown below.

• Food chain
• Food web
• Energy pyramid
• Trophic level

Organisms who go through photosynthesis are called ______?

• Producers
• Consumers
• Decomposers

Only about 10% of the energy that an organism contains is transferred to the next trophic level when the organism is eaten. How much energy is left for the top predator based on the image below?

• 90%
• 10%
• 0.1%
• 1%
• 0.01%