Food Webs & Energy Pyramids

Which level will contain plants?

• A
• B
• C
• D

What kind of living thing can make its own food?

• producer

• consumer

• predator

• herbivore

What type of organism is at the beginning of every food chain?

• predator

• carnivore

• producer

• herbivore

In the food web pictured here, flies provide energy for...

• Dragonflies, Turtles, & Frogs

• Slugs & Fish

• Water Weeds & Algae

• Snakes, Frogs, & Kingfishers

All of the living and nonliving things in an area that interact with each other are called a/an ______.

• community
• habitat
• population
• ecosystem

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 

This diagram shows how energy flows through an eco-system. What is the first source of energy in this pyramid?

• sharks and large birds

• algae, plankton and seagrass

• herbivorous fish, crustaceans and sea urchins

• seals and carnivorous fish

1. Why are there usually few organisms at the top of an energy pyramid?

• humans hunt for organisms at this level

• only so many will fit in a pyramid drawing

• organisms at the top are larger and require more living space

• So much energy is lost from one level to the next that the energy available can only support a few

The rabbit in this food web would be considered a:

• Decomposer
• Producer
• Secondary Consumer
• Primary Consumer

What do the arrows in a food web represent?

• mass

• energy flow

• matter

• organisms