Ecology Part #2

Which best describes what a food chain shows you?

• Energy flow through an ecosystem
• Food flowing through an ecosystem
• Consumers going into other consumers
• Who eats who

What are the organisms that break down dead stuff?

• Producers
• Consumers
• Decomposers
• Organisms

Where does the energy start in this food chain?

• Plant
• Sun
• Deer
• Wolf

What is the role of a producer?

• Use sunlight to make food
• Gain energy from eating other organisms
• Keep other species from overpopulating
• Breaking down dead stuff 

What's the role of consumers in a food chain?

• Use sunlight to make food 
• Eat other species and keep them from overpopulating
• Break down dead stuff
• Add nutrients to the soil

Which of these organisms would receive energy from the snake?

• Plant
• Rabbit
• Mouse
• Hawk

In the energy pyramid here, how much of the energy in each level gets lost as heat or used by the organism for survival?

• 80%
• 90%
• 10%
• 20%

The diagram represents a pyramid of energy in an ecosystem.  Which level would most likely contain members of the plant kingdom?

• A
• B
• C
• D

What trophic level has the most energy?

• Autotrophs
• Heterotrophs
• Omnivores
• Consumers

In the energy pyramid below, which organism has the least amount of energy available?

• Producers
• Herbivores
• Carnivores
• Top Predator