Intro to Energy Pyramids

Multiple Choice

All energy transformations in an ecosystem begin with

• a scavenger
• the sun
• a decomposer
• a herbivore

Multiple Choice

__________ is an organism that only eats plants for energy.

• Carnivore
• Herbivore
• Omnivore
• Terivore

Multiple Choice

__________ is an organism that only eats meat for energy.

• Omnivore
• Borivore
• Herbivore
• Carnivore

Multiple Choice

What are the organisms that break down dead stuff?

• Producers
• Consumers
• Decomposers
• Organisms

Open Ended

Why is energy important for living things such as plants and animals?

Multiple Choice

What is a trophic level in an energy pyramid?

• The level an organism occupies in a food chain

• The amount of sunlight an organism receives

• The number of offspring an organism produces

• The speed at which an organism moves

Multiple Choice

What does an energy pyramid show in a food web?

• How much energy is passed from one organism to the next

• The number of organisms at each level

• The types of plants in an ecosystem

• The amount of water in an ecosystem

Multiple Select

Which of the following statements about producers and primary consumers in an energy pyramid are correct?

• Producers make up the bottom of the energy pyramid

• Primary consumers eat producers

• Producers eat primary consumers

• Primary consumers are at the top of the energy pyramid

Fill in the Blanks

Quaternary consumers are sometimes referred to as the

predator.

Multiple Choice

Which group of organisms will always eat the primary consumers in an energy pyramid?

• Secondary consumers

• Producers

• Tertiary consumers

• Quaternary consumers

Multiple Choice

Which of the following statements best describes what happens to energy and population size as you move up the energy pyramid?

• Both energy and population size increase.

• Energy increases, but population size decreases.

• Both energy and population size decrease.

• Energy stays the same, but population size increases.

Multiple Choice

In the energy pyramid here, which organisms have the most energy available?

• Producers
• Carnivores
• Herbivores
• Top Predator

Multiple Choice

Which trophic level has the least amount of energy?

• 1

• 2

• 3

• 4

Multiple Choice

The arrows in a food chain or web represents what?

• They point to the organism that is being eaten.
• It shows how sunlight flows within an ecosystem.
• They show what direction the energy is flowing between organisms. 
• They represent how water is transferred within a habitat.

Multiple Choice

What is a trophic level?

• Each level represented within a food chain or web.
• Levels of ecosystems that the world is divided into.
• Different levels of nutrients present within an organism.
• The levels of sunlight an autotroph needs to survive. 

Multiple Choice

An energy pyramid represents what?

• How much sunlight is available for the ecosystem to use. 
• How much energy a particular organism needs. 
• How much energy is needed to build a pyramid. 
• The amount of energy available to the next 'feeder' in a food web.