Energy Flow Through Living Systems

Which of the following characteristics is shared by both primary and secondary consumers?

• Uses the Sun's radiant energy to produce food
• The first step in any food chain diagram
• Eats only plants to gain needed energy
• Gains energy by eating other living things

An energy pyramid is shown. At which level of the energy pyramid would the most biomass be found?

• Top predator
• Carnivore
• Herbivore
• Producers

A diagram of a marine food chain is provided. Which organism in the food chain transforms energy from the Sun into food?

• Large Sharks
• Marlin
• Shrimp
• Phytoplankton

A diagram is provided. Which portion of the diagram represents the level with the most available energy?

• Producers
• Herbivores
• Carnivores
• Top Predator

A diagram of a pond food chain is provided. Which of the following could possibly increase the total amount of energy the catfish population receives within its food chain?

• Increase in the number of beetles
• Increase in number of hawks
• Decrease in number of plants
• Decrease in number of hawks

A diagram is provided. Which of the following correctly shows one path that energy would flow through this ecosystem?

• Grasses -> Termite-> Monkey -> Eagle
• Hyena -> Mongoose -> Mouse -> Grasses
• Grasses -> Termite -> Grasshopper -> Monkey
• Acacia Trees -> Giraffe -> lion -> vulture

A diagram of a prairie food web is provided. A reduction in deer population will have the effect in the amount of energy this ecosystem is able to provide for which of the following organisms?

• Rabbit
• Mountain Lion
• Mouse
• Hawk

What is a single, linear path showing the flow of energy from the Sun to a producer and through different trophic levels of consumers?

• Food Chains
• Food Web
• Energy Pyramid
• Trophic Level

What are overlapping food chains with different pathways for the flow of energy in an ecosystem?

• Food Chain
• Food Web
• Energy Pyramid

What is an organism that only eats plants?

• Carnivore
• Producer
• Herbivore
• Omnivore